AGATHANo gut feelings

TennisATPLeft-handed

Donald Young

United StatesAge, ranking and results

Donald Young is a retired tennis player who reached a career-high ATP Tour ranking of No. 38 on February 27, 2012.

302ATP Tour matches since 2007

Updated Oct 5, 2026, 3:07 PM ET

Titles02 finals since 2007 Grand Slam titles0since 2007 Career highNo. 38Feb 27, 2012 Agatha's recordNone yetno graded calls on him yet

About Donald Young

Donald Young, a retired tennis player from the United States, was born on July 23, 1989, in Chicago, Illinois. He played left-handed with a two-handed backhand and turned pro in 2004. On February 27, 2012, Young reached a career-high ATP Tour ranking of No. 38, and he retired in 2024.

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Agatha Research DeskUpdated Oct 5, 2026

Match history302

Every ATP Tour, Grand Slam and Olympic main-draw match in our records, newest first. A walkover is listed but never counted in a record.

2023: 0-3

Date	Tournament	Round	Opponent	Result	Score	Surface
Jul 29	Mubadala DC Open	Qualifying 1st Round	Sho Shimabukuro	L	3-6, 4-6	Hard
Jul 22	Atlanta Open	Qualifying 1st Round	Lloyd Harris	L	1-6, 2-6	Hard
Jul 16	Cerity Partners Hall of Fame Open for the Van Alen Cup	Qualifying 1st Round	Illya Marchenko	L	1-6, 3-6	Grass

2022: 1-3

Date	Tournament	Round	Opponent	Result	Score	Surface
Aug 20	Winston-Salem Open	Qualifying 1st Round	Emilio Nava	L	2-6, 2-6	Hard
Jul 24	Atlanta Open	Qualifying Final	Dominik Koepfer	L	1-6, 6-4, 3-6	Hard
Jul 23	Atlanta Open	Qualifying 1st Round	J.J. Wolf	W	4-6, 6-4, 3-1 ret. (ret.)	Hard
Apr 2	Fayez Sarofim & Co. U.S. Men's Clay Court Championship	Qualifying 1st Round	Max Purcell	L	2-6, 2-6	Clay

Date	Tournament	Round	Opponent	Result	Score	Surface
Jan 8	Delray Beach Open by Vitacost.com	Round 1	Frances Tiafoe	L	3-6, 4-6	Hard

Date	Tournament	Round	Opponent	Result	Score	Surface
Jul 29	Citi Open	Round 1	Hubert Hurkacz	L	1-6, 4-6	Hard
Mar 8	Indian Wells	Round 1	Hubert Hurkacz	L	3-6, 3-6	Hard

2018: 3-12

Date	Tournament	Round	Opponent	Result	Score	Surface
Aug 27	US Open	Round 1	Juan Martin del Potro	L	0-6, 3-6, 4-6	Hard
Aug 1	Citi Open	Round 2	Kei Nishikori	L	3-6, 4-6	Hard
Jul 31	Citi Open	Round 1	Stan Wawrinka	W	6-4, 6-7(5), 7-6(3)	Hard
Jul 26	Truist Atlanta Open	Round 2	Matthew Ebden	L	4-6, 4-6	Hard
Jul 24	Truist Atlanta Open	Round 1	Ivo Karlovic	W	2-6, 7-6(5), 7-6(6)	Hard
Jul 16	Infosys Hall of Fame Open	Round 1	Vasek Pospisil	L	6-7(5), 1-6	Grass
Apr 10	Fayez Sarofim & Co. U.S. Men's Clay Court Championship	Round 1	Nicolas Kicker	L	3-6, 2-6	Clay
Mar 22	Miami Open	Round 1	Leonardo Mayer	L	6-3, 4-6, 2-6	Hard
Mar 8	Indian Wells	Round 1	Borna Coric	L	0-6, 2-6	Hard
Feb 27	Abierto Mexicano Telcel	Round 1	Hyeon Chung	L	6-7(5), 1-6	Hard
Feb 21	Delray Beach Open	Round 2	Evgeny Donskoy	L	6-7(6), 3-6	Hard
Feb 19	Delray Beach Open	Round 1	Ramkumar Ramanathan	W	6-1, 6-2	Hard

Show 3 more

Feb 12	New York Open	Round 1	Ryan Harrison	L	3-6, 6-7(4)	Hard
Jan 15	Australian Open	Round 1	Novak Djokovic	L	1-6, 2-6, 4-6	Hard
Jan 8	ASB Classic	Round 1	Joao Sousa	L	7-6(8), 4-6, 2-6	Hard

2017: 24-23

Date	Tournament	Round	Opponent	Result	Score	Surface
Oct 25	ATP Swiss Indoors Basel	Round 1	Julien Benneteau	L	4-6, 2-6	Hard
Oct 3	ATP Rakuten Japan Open	Round 1	Diego Schwartzman	L	2-6, 5-7	Hard
Sep 29	ATP Shenzhen Open	Quarterfinal	David Goffin	L	2-6, 3-6	Hard
Sep 27	ATP Shenzhen Open	Round 2	Jeremy Chardy	W	7-6(5), 6-4	Hard
Sep 26	ATP Shenzhen Open	Round 1	Nicola Kuhn	W	7-5, 7-6(4)	Hard
Aug 31	US Open	Round 2	Gael Monfils	L	3-6, 7-6(3), 4-6, 6-2, 5-7	Hard
Aug 30	US Open	Round 1	Maximilian Marterer	W	6-3, 1-6, 6-1, 6-4	Hard
Aug 22	ATP Winston-Salem Open	Round 2	Borna Coric	L	6-4, 4-6, 2-6	Hard
Aug 21	ATP Winston-Salem Open	Round 1	Yuliya Hatouka	W	6-4, 6-2	Hard
Aug 14	ATP & WTA Western & Southern Open	Round 1	Tommy Paul	L	4-6, 6-7(4)	Hard
Aug 7	ATP Coupe Rogers	Round 1	Benoit Paire	L	3-6, 7-5, 4-6	Hard
Aug 1	ATP & WTA Citi Open	Round 2	Kei Nishikori	L	3-6, 6-4, 6-7(5)	Hard

Show 36 more

Jul 31	ATP & WTA Citi Open	Round 1	Tim Smyczek	W	4-6, 6-3, 6-4	Hard
Jul 26	ATP BB&T Atlanta Open	Round 2	Lukas Lacko	L	3-6, 1-6	Hard
Jul 25	ATP BB&T Atlanta Open	Round 1	Tim Smyczek	W	6-4, 6-2	Hard
Jul 5	Wimbledon	Round 2	Rafael Nadal	L	4-6, 2-6, 5-7	Grass
Jul 3	Wimbledon	Round 1	Denis Istomin	W	5-7, 6-4, 6-4, 4-2 ret. (ret.)	Grass
Jun 29	ATP & WTA Aegon International	Quarterfinal	Novak Djokovic	L	2-6, 6-7(9)	Grass
Jun 28	ATP & WTA Aegon International	Round 2	Jared Donaldson	W	6-4, 7-5	Grass
Jun 26	ATP & WTA Aegon International	Round 1	Kyle Edmund	W	6-4, 3-6, 5-3	Grass
Jun 23	ATP AEGON Championships	Quarterfinal	Marin Cilic	L	4-6, 5-7	Grass
Jun 21	ATP AEGON Championships	Round 2	Viktor Troicki	W	6-3, 6-4	Grass
Jun 19	ATP AEGON Championships	Round 1	Nick Kyrgios	W	7-6(3) ret. (ret.)	Grass
May 29	French Open	Round 1	David Ferrer	L	7-5, 3-6, 6-4, 3-6, 11-13	Clay
May 22	ATP Open Parc Auvergne-Rhone-Alpes Lyon	Round 1	Hyeon Chung	L	2-6, 3-6	Clay
May 14	ATP & WTA Internazionali BNL d'Italia	Round 1	Fernando Verdasco	L	3-6, 3-6	Clay
Apr 12	Fayez Sarofim & Co US Men's Clay Court Championships	Round 1	Thiago Monteiro	L	3-6, 4-6	Clay
Mar 28	ATP & WTA Miami Open	Round 4	Fabio Fognini	L	0-6, 4-6	Hard
Mar 26	ATP & WTA Miami Open	Round 3	Benoit Paire	W	7-6(2), 6-4	Hard
Mar 24	ATP & WTA Miami Open	Round 2	Lucas Pouille	W	6-2, 6-4	Hard
Mar 22	ATP & WTA Miami Open	Round 1	Dustin Brown	W	6-3, 1-6, 6-2	Hard
Mar 15	ATP & WTA BNP Paribas Open	Round 4	Kei Nishikori	L	2-6, 4-6	Hard
Mar 14	ATP & WTA BNP Paribas Open	Round 3	Lucas Pouille	W	6-4, 1-6, 6-3	Hard
Mar 12	ATP & WTA BNP Paribas Open	Round 2	Sam Querrey	W	5-2, 3-6, 6-3	Hard
Mar 10	ATP & WTA BNP Paribas Open	Round 1	Stefan Kozlov	W	7-5, 7-6(5)	Hard
Mar 1	ATP & WTA Abierto Mexicano Telcel	Round 2	Nick Kyrgios	L	2-6, 4-6	Hard
Feb 28	ATP & WTA Abierto Mexicano Telcel	Round 1	Bernard Tomic	W	7-6(5) ret. (ret.)	Hard
Feb 25	ATP Delray Beach Open	Semifinal	Jack Sock	L	4-6, 6-7(2)	Hard
Feb 24	ATP Delray Beach Open	Quarterfinal	Steve Darcis	W/O	Walkover	Hard
Feb 23	ATP Delray Beach Open		Taylor Fritz	W	4-6, 6-3, 6-4	Hard
Feb 23	ATP Delray Beach Open	Round 2	Taylor Fritz	W	4-6, 6-3, 6-4	Hard
Feb 21	ATP Delray Beach Open	Round 1	Ivo Karlovic	W	7-6(5), 7-6(3)	Hard
Feb 18	ATP Memphis Open	Semifinal	Ryan Harrison	L	4-6, 4-6	Hard
Feb 17	ATP Memphis Open	Quarterfinal	John Isner	W	7-6(5), 3-6, 7-6(6)	Hard
Feb 15	ATP Memphis Open	Round 2	Reilly Opelka	W	7-6(3), 6-3	Hard
Feb 13	ATP Memphis Open	Round 1	Adrian Mannarino	L	3-6, 7-5, 5-5	Hard
Jan 18	Australian Open	Round 2	Philipp Kohlschreiber	L	5-7, 3-6, 0-6	Hard
Jan 16	Australian Open	Round 1	Thomas Fabbiano	W	6-4, 7-6(1), 6-4	Hard

2016: 18-21

Date	Tournament	Round	Opponent	Result	Score	Surface
Oct 27	Swiss Indoors Basel	Round 2	Stan Wawrinka	L	6-7(4), 7-6(3), 4-6	Hard
Oct 24	Swiss Indoors Basel	Round 1	Illya Marchenko	W	6-4, 6-2	Hard
Oct 17	BNP Paribas Nordic Open	Round 1	Adrian Mannarino	L	5-7, 3-6	Hard
Oct 3	Japan Open	Round 1	Kei Nishikori	L	6-4, 2-6, 2-6	Hard
Sep 1	US Open	Round 2	Ivo Karlovic	L	4-6, 6-7(4), 4-6	Hard
Aug 30	US Open	Round 1	Jan-Lennard Struff	W	6-3, 7-5, 4-6, 7-5	Hard
Aug 23	Winston-Salem Open	Round 2	Marcos Baghdatis	L	4-6, 6-4, 4-6	Hard
Aug 22	Winston-Salem Open	Round 1	Pierre-Hugues Herbert	W	6-4, 6-1	Hard
Aug 5	Atlanta Open	Quarterfinal	Reilly Opelka	L	4-6, 4-6	Hard
Aug 3	Atlanta Open	Round 2	Tim Smyczek	W	4-6, 7-6(1), 6-3	Hard
Aug 1	Atlanta Open	Round 1	Austin Krajicek	W	3-6, 7-6(10), 7-5	Hard
Jul 27	ATP Rogers Cup	Round 2	Jack Sock	L	4-6, 3-6	Hard

Show 27 more

Jul 26	ATP Rogers Cup	Round 1	Alexandr Dolgopolov	W	7-6(6), 6-4	Hard
Jul 20	ATP & WTA Citi Open	Round 2	Bernard Tomic	L	6-7(4), 3-6	Hard
Jul 19	ATP & WTA Citi Open	Round 1	Ernesto Escobedo	W	6-4, 3-6, 6-3	Hard
Jul 16	Infosys Hall of Fame Open	Semifinal	Gilles Muller	L	3-6, 4-6	Grass
Jul 15	Infosys Hall of Fame Open	Quarterfinal	Steve Johnson	W	6-2, 6-3	Grass
Jul 13	Infosys Hall of Fame Open	Round 2	Stefan Kozlov	W	6-0, 6-4	Grass
Jul 11	Infosys Hall of Fame Open	Round 1	Jared Donaldson	W	6-1, 6-3	Grass
Jul 1	Wimbledon	Round 2	Lucas Pouille	L	4-6, 3-6, 3-6	Grass
Jun 30	Wimbledon	Round 1	Leonardo Mayer	W	6-4, 7-5, 3-6, 6-3	Grass
Jun 17	Cinch Championships	Round 2	Roberto Bautista Agut	L	4-6, 2-5	Grass
Jun 14	Cinch Championships	Round 1	Vasek Pospisil	W	6-3, 4-3	Grass
May 22	French Open	Round 1	Teymuraz Gabashvili	L	6-7(1), 2-6, 3-6	Clay
May 17	ATP Open de Nice Cote d' Azur	Round 2	Guido Pella	L	3-6, 0-6	Clay
May 16	ATP Open de Nice Cote d' Azur	Round 1	Fabio Fognini	W	4-6, 6-3, 6-3	Clay
Apr 7	Fayez Sarofim & Co. U.S. Men's Clay Court Championship	Round 2	Tim Smyczek	L	2-6, 4-6	Clay
Apr 5	Fayez Sarofim & Co. U.S. Men's Clay Court Championship	Round 1	Steve Johnson	W	6-4, 6-3	Clay
Mar 24	ATP & WTA Miami Open	Round 1	Andreas Seppi	L	3-6, 1-6	Hard
Mar 11	ATP & WTA BNP Paribas Open	Round 1	Andreas Seppi	L	6-4, 4-6, 3-6	Hard
Feb 24	ATP & WTA Abierto Mexicano Telcel	Round 2	Grigor Dimitrov	L	3-6, 4-6	Hard
Feb 22	ATP & WTA Abierto Mexicano Telcel	Round 1	Gilles Muller	W	6-3, 6-3	Hard
Feb 18	Delray Beach Open	Round 2	Tim Smyczek	L	6-1, 6-7(2), 2-6	Hard
Feb 16	Delray Beach Open	Round 1	Mikhail Kukushkin	W	7-6(3), 3-0 ret. (ret.)	Hard
Feb 12	ATP Memphis Open	Quarterfinal	Ricardas Berankis	L	6-7(3), 1-6	Hard
Feb 11	ATP Memphis Open	Round 2	Marcel Granollers	W	6-1, 7-6(2)	Hard
Jan 18	Australian Open	Round 1	Santiago Giraldo	L	4-6, 6-1, 3-6, 2-6	Hard
Jan 13	ATP ASB Classic	Round 2	Roberto Bautista Agut	L	4-6, 6-7(3)	Hard
Jan 11	ATP ASB Classic	Round 1	Finn Tearney	W	6-2, 6-3	Hard

2015: 21-22

Date	Tournament	Round	Opponent	Result	Score	Surface
Oct 30	Swiss Indoors Basel	Quarterfinal	Jack Sock	L	7-5, 4-6, 2-6	Hard
Oct 29	Swiss Indoors Basel	Round 2	Kevin Anderson	W	6-2, 7-6(6)	Hard
Oct 26	Swiss Indoors Basel	Round 1	Henri Laaksonen	W	6-2, 3-6, 6-4	Hard
Oct 12	Shanghai Masters	Round 1	Victor Estrella Burgos	L	2-6, 6-4, 4-6	Hard
Oct 7	Japan Open	Round 1	Marin Cilic	L	5-7, 7-5, 4-6	Hard
Sep 7	US Open	Round 4	Stan Wawrinka	L	4-6, 6-1, 3-6, 4-6	Hard
Sep 5	US Open	Round 3	Viktor Troicki	W	4-6, 0-6, 7-6(3), 6-2, 6-4	Hard
Sep 3	US Open	Round 2	Aljaz Bedene	W	3-6, 6-4, 6-4, 6-2	Hard
Sep 1	US Open	Round 1	Gilles Simon	W	2-6, 4-6, 6-4, 6-4, 6-4	Hard
Aug 24	Winston-Salem Open	Round 1	Denis Istomin	L	3-6, 3-6	Hard
Aug 13	ATP Coupe Rogers	Round 3	Ernests Gulbis	L	4-6, 4-6	Hard
Aug 12	ATP Coupe Rogers	Round 2	Tomas Berdych	W	7-6(5), 6-3	Hard

Show 31 more

Aug 10	ATP Coupe Rogers	Round 1	Denis Kudla	W	6-3, 6-4	Hard
Aug 4	ATP Citi Open	Round 2	Vasek Pospisil	L	5-7, 3-6	Hard
Aug 3	ATP Citi Open	Round 1	Tommy Haas	W	6-3, 6-4	Hard
Jul 27	Atlanta Open	Round 1	Gilles Muller	L	2-6, 1-6	Hard
Jun 29	Wimbledon	Round 1	Marcos Baghdatis	L	7-5, 2-6, 4-6, 4-6	Grass
Jun 21	ATP AEGON Nottingham Open	Round 1	Alexandr Dolgopolov	L	4-6, 4-6	Grass
Jun 15	Terra Wortmann Open	Round 1	Borna Coric	L	4-6, 6-3, 3-6	Grass
May 25	French Open	Round 1	Santiago Giraldo	L	4-6, 5-7, 3-6	Clay
May 11	ATP Internazionali BNL d'Italia	Round 1	Philipp Kohlschreiber	L	4-6, 1-6	Clay
May 5	ATP Mutua Madrid Open	Round 1	Grigor Dimitrov	L	4-6, 0-3 ret. (ret.)	Clay
Apr 7	Fayez Sarofim & Co. U.S. Men's Clay Court Championship	Round 1	Steve Johnson	L	5-7, 4-6	Clay
Mar 27	ATP Miami Open	Round 2	Andy Murray	L	4-6, 2-6	Hard
Mar 25	ATP Miami Open	Round 1	Yen-Hsun Lu	W	5-1 ret. (ret.)	Hard
Mar 17	ATP BNP Paribas Open	Round 3	Rafael Nadal	L	4-6, 2-6	Hard
Mar 15	ATP BNP Paribas Open	Round 2	Jeremy Chardy	W	6-4, 6-2	Hard
Mar 13	ATP BNP Paribas Open	Round 1	Pablo Carreno Busta	W	6-3, 6-4	Hard
Feb 24	ATP Abierto Mexicano Telcel	Round 1	Ryan Harrison	L	6-4, 2-6, 2-4 ret. (ret.)	Hard
Feb 22	Delray Beach Open	Final	Ivo Karlovic	L	3-6, 3-6	Hard
Feb 21	Delray Beach Open	Semifinal	Bernard Tomic	W	4-6, 6-4, 6-2	Hard
Feb 20	Delray Beach Open	Quarterfinal	Alexandr Dolgopolov	W	2-6, 6-3, 6-4	Hard
Feb 19	Delray Beach Open	Round 2	Alejandro Gonzalez	W	6-3, 6-2	Hard
Feb 17	Delray Beach Open	Round 1	Ivan Dodig	W	7-5, 7-5	Hard
Feb 14	ATP Memphis Open	Semifinal	Kevin Anderson	L	6-4, 3-6, 4-6	Hard
Feb 13	ATP Memphis Open	Quarterfinal	Bernard Tomic	W	7-6(8), 4-6, 7-5	Hard
Feb 12	ATP Memphis Open	Round 2	Denis Kudla	W	7-5, 6-3	Hard
Feb 9	ATP Memphis Open	Round 1	Adrian Mannarino	W	6-3, 7-6(9)	Hard
Jan 22	Australian Open	Round 2	Milos Raonic	L	4-6, 6-7(3), 3-6	Hard
Jan 20	Australian Open	Round 1	Tim Puetz	W	6-4, 4-6, 6-3, 6-2	Hard
Jan 15	ATP Heineken Open	Quarterfinal	Jiri Vesely	L	2-6, 3-6	Hard
Jan 14	ATP Heineken Open	Round 2	Diego Schwartzman	W	2-6, 6-4, 6-1	Hard
Jan 12	ATP Heineken Open	Round 1	Go Soeda	W	6-7(2), 6-1, 6-3	Hard

2014: 18-22

Date	Tournament	Round	Opponent	Result	Score	Surface
Oct 27	ATP BNP Paribas Masters	Round 1	Fernando Verdasco	L	6-4, 1-6, 3-6	Hard
Oct 23	ATP Swiss Indoors Basel	Round 2	Milos Raonic	L	4-6, 7-6(5), 6-7(2)	Hard
Oct 20	ATP Swiss Indoors Basel	Round 1	Carlos Berlocq	W	7-6(5), 6-4	Hard
Oct 14	ATP If Stockholm Open	Round 1	Leonardo Mayer	L	4-6, 4-6	Hard
Oct 6	ATP Shanghai Rolex Masters	Round 1	Malek Jaziri	L	5-7, 4-6	Hard
Oct 2	ATP Rakuten Japan Open	Round 2	Kei Nishikori	L	4-6, 6-7(4)	Hard
Sep 30	ATP Rakuten Japan Open	Round 1	Go Soeda	W	6-4, 6-2	Hard
Aug 25	US Open	Round 1	Blaz Kavcic	L	5-7, 4-6, 4-6	Hard
Aug 20	ATP Winston-Salem Open	Round 3	Guillermo Garcia-Lopez	L	7-6(4), 3-6, 6-7(6)	Hard
Aug 19	ATP Winston-Salem Open	Round 2	Frank Dancevic	W	6-1, 6-3	Hard
Aug 6	ATP Rogers Cup	Round 2	Grigor Dimitrov	L	6-4, 2-6, 3-6	Hard
Aug 5	ATP Rogers Cup	Round 1	Frank Dancevic	W	5-7, 6-0, 6-3	Hard

Show 28 more

Aug 2	ATP Citi Open	Semifinal	Milos Raonic	L	4-6, 5-7	Hard
Aug 1	ATP Citi Open	Quarterfinal	Kevin Anderson	W	3-6, 7-6(3), 6-2	Hard
Jul 31	ATP Citi Open	Round 3	Denis Istomin	W	6-3, 3-6, 6-3	Hard
Jul 29	ATP Citi Open	Round 2	Julien Benneteau	W	6-4, 6-3	Hard
Jul 28	ATP Citi Open	Round 1	Yuichi Sugita	W	6-4, 4-6, 6-4	Hard
Jul 21	ATP BB&T Atlanta Open	Round 1	Dudi Sela	L	3-6, 0-6	Hard
Jul 7	ATP Hall of Fame	Round 1	Sam Groth	L	6-7(7), 2-6	Grass
Jun 23	Wimbledon	Round 1	Benjamin Becker	L	4-6, 3-6, 4-6	Grass
Jun 18	ATP AEGON International	Round 2	Martin Klizan	L	6-7(4), 4-6	Grass
Jun 17	ATP AEGON International	Round 1	James Ward	W	6-3, 6-2	Grass
May 31	French Open	Round 3	Guillermo Garcia-Lopez	L	2-6, 4-6, 6-2, 7-6(4), 4-6	Clay
May 29	French Open	Round 2	Feliciano Lopez	W	6-3, 7-6(1), 6-3	Clay
May 26	French Open	Round 1	Dudi Sela	W	6-1, 2-6, 6-1, 6-0	Clay
Apr 11	ATP US Men's Claycourt Championships	Quarterfinal	Fernando Verdasco	L	6-7(1), 1-6	Clay
Apr 10	ATP US Men's Claycourt Championships	Round 2	Juan Monaco	W	6-7(4), 6-4, 6-3	Clay
Apr 8	ATP US Men's Claycourt Championships	Round 1	Ryan Harrison	W	6-0, 6-1	Clay
Mar 22	ATP Sony Open Tennis	Round 2	John Isner	L	7-6(5), 3-6, 4-6	Hard
Mar 20	ATP Sony Open Tennis	Round 1	Carlos Berlocq	W	6-2, 6-2	Hard
Mar 6	ATP BNP Paribas Open	Round 1	Michael Russell	L	6-4, 1-6, 2-6	Hard
Feb 26	ATP Abierto Mexicano Telcel	Round 2	Gilles Simon	L	4-6, 3-6	Hard
Feb 25	ATP Abierto Mexicano Telcel	Round 1	Jarkko Nieminen	W	6-3, 6-3	Hard
Feb 12	ATP US National Indoor	Round 1	Denis Kudla	L	1-6, 1-6	Hard
Jan 31	Davis Cup World Group Round 1: Belgium v Kazakhstan		Andy Murray	L	1-6, 2-6, 3-6
Jan 18	Australian Open	Round 3	Kei Nishikori	L	5-7, 1-6, 0-6	Hard
Jan 15	Australian Open	Round 2	Andreas Seppi	W	6-4, 2-6, 6-3, 4-6, 7-5	Hard
Jan 14	Australian Open	Round 1	Robin Haase	W	6-7(4), 7-6(2), 6-2, 1-0	Hard
Jan 8	ATP Heineken Open	Round 2	David Ferrer	L	7-6(5), 3-6, 1-6	Hard
Jan 7	ATP Heineken Open	Round 1	Federico Delbonis	W	7-5, 6-2	Hard

2013: 2-3

Date	Tournament	Round	Opponent	Result	Score	Surface
Aug 30	US Open	Round 2	Florian Mayer	L	5-7, 3-6, 4-6	Hard
Aug 27	US Open	Round 1	Martin Klizan	W	6-1, 6-0, 6-1	Hard
Feb 21	ATP US National Indoor	Round 2	Kei Nishikori	L	3-6, 3-6	Hard
Feb 20	ATP US National Indoor	Round 1	Xavier Malisse	W	5-1 ret. (ret.)	Hard
Feb 13	ATP SAP Open	Round 1	Michael Russell	L	3-6, 5-7	Hard

2012: 5-23

Date	Tournament	Round	Opponent	Result	Score	Surface
Oct 18	ATP Erste Bank Open	Round 2	Aljaz Bedene	L	6-7(4), 7-6(2), 3-6	Hard
Oct 17	ATP Erste Bank Open	Round 1	Fabio Fognini	W	7-6(8), 6-3	Hard
Sep 27	ATP PTT Thailand Open	Round 2	Fernando Verdasco	L	5-7, 4-6	Hard
Sep 25	ATP PTT Thailand Open	Round 1	Yen-Hsun Lu	W	5-7, 6-2, 7-5	Hard
Aug 27	US Open	Round 1	Roger Federer	L	3-6, 2-6, 4-6	Hard
Aug 21	ATP Winston-Salem Open	Round 2	Feliciano Lopez	L	2-6, 3-6	Hard
Aug 20	ATP Winston-Salem Open	Round 1	Leonardo Mayer	W	4-6, 6-3, 6-2	Hard
Aug 13	ATP Western & Southern Open	Round 1	Jesse Levine	L	4-6, 6-7(2)	Hard
Aug 6	ATP Rogers Cup	Round 1	Jeremy Chardy	L	6-3, 6-7(4), 0-6	Hard
Jul 16	ATP BB&T Atlanta Open	Round 1	Steve Johnson	L	3-6, 6-3, 3-6	Hard
Jul 9	ATP Campbell's Hall of Fame	Round 1	Michael Russell	L	6-1, 1-6, 4-6	Grass
Jun 25	Wimbledon	Round 1	Mikhail Youzhny	L	6-4, 3-6, 2-6, 3-6	Grass

Show 16 more

Jun 18	ATP AEGON International	Round 1	Jamie Baker	L	1-6, 4-6	Grass
May 29	French Open	Round 1	Grigor Dimitrov	L	6-7(3), 1-6, 1-6	Clay
May 22	ATP Open de Nice Cote d' Azur	Round 1	Thomaz Bellucci	L	7-6(5), 0-6, 3-6	Clay
May 15	ATP Internazionali BNL d'Italia	Round 1	Gilles Simon	L	2-6, 5-7	Clay
May 7	ATP Mutua Madrilena Madrid Open	Round 1	Viktor Troicki	L	1-6, 6-4, 1-6	Clay
Apr 16	ATP Monte-Carlo Rolex Masters	Round 1	Paul-Henri Mathieu	L	0-6, 1-6	Clay
Apr 9	ATP Grand Prix Hassan II	Round 1	Benoit Paire	L	6-4, 6-7(5), 2-6	Clay
Mar 22	ATP Sony Ericsson Open	Round 1	David Goffin	L	5-7, 4-6	Hard
Mar 9	ATP BNP Paribas Open	Round 1	Steve Darcis	L	2-6, 6-3, 6-7(5)	Hard
Feb 27	ATP Delray Beach International Tennis Championship	Round 1	Ryan Sweeting	L	1-6, 1-6	Hard
Feb 23	ATP Regions Morgan Keegan Championships	Round 2	John Isner	L	6-7(3), 4-6	Hard
Feb 20	ATP Regions Morgan Keegan Championships	Round 1	Grigor Dimitrov	W	7-6(4), 4-6, 7-6(6)	Hard
Feb 14	ATP SAP Open	Round 1	Michael Russell	L	1-6, 6-7(6)	Hard
Jan 17	Australian Open	Round 2	Lukas Lacko	L	3-6, 1-6, 6-3, 3-6	Hard
Jan 15	Australian Open	Round 1	Peter Gojowczyk	W	6-1, 6-2, 4-6, 1-6, 6-2	Hard
Jan 9	ATP Heineken Open	Round 1	Alejandro Falla	L	6-4, 3-6, 3-6	Hard

2011: 20-17

Date	Tournament	Round	Opponent	Result	Score	Surface
Nov 8	ATP BNP Paribas Masters	Round 1	Juan Monaco	L	4-6, 1-2	Hard
Oct 31	ATP Swiss Indoors Basel	Round 1	Mikhail Kukushkin	L	4-6, 2-6	Hard
Oct 11	Shanghai Rolex Masters	Round 2	Stan Wawrinka	L	7-6(5), 6-7(2), 2-6	Hard
Oct 10	Shanghai Rolex Masters	Round 1	Gong Mao-Xin	W	6-1, 6-4	Hard
Oct 2	ATP PTT Thailand Open	Final	Andy Murray	L	2-6, 0-6	Hard
Oct 1	ATP PTT Thailand Open	Semifinal	Gael Monfils	W	4-6, 7-6(5), 7-6(5)	Hard
Sep 30	ATP PTT Thailand Open	Quarterfinal	Go Soeda	W	6-1, 6-2	Hard
Sep 29	ATP PTT Thailand Open	Round 2	Guillermo Garcia-Lopez	W	6-1, 6-7(0), 7-5	Hard
Sep 27	ATP PTT Thailand Open	Round 1	Igor Andreev	W	7-6(6), 2-1 ret. (ret.)	Hard
Sep 8	US Open	Round 4	Andy Murray	L	2-6, 3-6, 3-6	Hard
Sep 4	US Open	Round 3	Juan Ignacio Chela	W	7-5, 6-4, 6-3	Hard
Sep 2	US Open	Round 2	Stan Wawrinka	W	7-6(7), 3-6, 2-6, 6-3, 7-6(1)	Hard

Show 25 more

Aug 30	US Open	Round 1	Lukas Lacko	W	6-4, 6-2, 6-4	Hard
Aug 23	ATP Winston-Salem Open	Round 2	Grigor Dimitrov	L	4-6, 6-2, 6-7(2)	Hard
Aug 21	ATP Winston-Salem Open	Round 1	Michael Berrer	W	6-3, 6-4	Hard
Aug 5	ATP Legg Mason Tennis Classic	Semifinal	Radek Stepanek	L	3-6, 3-6	Hard
Aug 4	ATP Legg Mason Tennis Classic	Quarterfinal	Marcos Baghdatis	W	6-3, 7-6(4)	Hard
Aug 3	ATP Legg Mason Tennis Classic	Round 3	Michael Russell	W	6-3, 6-3	Hard
Aug 3	ATP Legg Mason Tennis Classic	Round 2	Jurgen Melzer	W	6-7(6), 6-4, 3-1 ret. (ret.)	Hard
Jul 31	ATP Legg Mason Tennis Classic	Round 1	Artem Sitak	W	6-0, 6-3	Hard
Jul 17	ATP Atlanta	Round 1	Michael Russell	L	0-6, 3-6	Hard
Jul 5	ATP Campbell's Hall of Fame	Round 2	Tobias Kamke	L	6-7(3), 4-6	Grass
Jul 3	ATP Campbell's Hall of Fame	Round 1	Paul Capdeville	W	6-2, 6-1	Grass
Jun 20	Wimbledon	Round 1	Alex Bogomolov Jr.	L	5-7, 6-4, 3-6, 1-6	Grass
Jun 15	ATP AEGON International	Round 2	Andreas Seppi	L	6-7(1), 3-6	Grass
Jun 14	ATP AEGON International	Round 1	Daniel Cox	W	6-1, 7-5	Grass
Jun 8	ATP AEGON Championships	Round 2	Kevin Anderson	L	2-6, 4-6	Grass
Jun 6	ATP AEGON Championships	Round 1	Andreas Haider-Maurer	W	6-4, 6-7(5), 6-2	Grass
Mar 23	ATP Sony Ericsson Open	Round 1	Denis Istomin	L	4-6, 3-6	Hard
Mar 14	ATP BNP Paribas Open	Round 3	Tommy Robredo	L	0-6, 4-6	Hard
Mar 12	ATP BNP Paribas Open	Round 2	Andy Murray	W	7-6(4), 6-3	Hard
Mar 10	ATP BNP Paribas Open	Round 1	Potito Starace	W	2-6, 6-3, 6-3	Hard
Feb 22	ATP Delray Beach International Tennis Championship	Round 1	Kevin Anderson	L	7-6(5), 6-7(4), 2-6	Hard
Feb 9	ATP SAP Open	Round 2	Ricardas Berankis	L	4-6, 7-5, 5-7	Hard
Feb 7	ATP SAP Open		Dustin Brown	W	7-6(2), 6-4	Hard
Feb 7	ATP SAP Open	Round 1	Dustin Brown	W	7-6(2), 6-4	Hard
Jan 17	Australian Open	Round 1	Marin Cilic	L	3-6, 2-6, 1-6	Hard

2010: 3-6

Date	Tournament	Round	Opponent	Result	Score	Surface
Sep 1	US Open	Round 1	Gilles Simon	L	1-6, 4-6, 2-6	Hard
Aug 24	ATP Pilot Pen Tennis at Yale	Round 2	Juan Ignacio Chela	L	7-5, 4-6, 0-6	Hard
Aug 23	ATP Pilot Pen Tennis at Yale	Round 1	Stephane Robert	W	6-1, 6-2	Hard
Aug 17	ATP Masters Series Western & Southern Financial Group Masters	Round 1	Ernests Gulbis	L	6-7(5), 4-6	Hard
Jul 22	ATP Atlanta	Round 2	Kevin Anderson	L	5-7, 3-6	Hard
Jul 20	ATP Atlanta	Round 1	Dudi Sela	W	7-5, 6-0	Hard
Apr 6	ATP US Men's Claycourt Championships	Round 1	Kevin Anderson	L	5-7, 3-6	Clay
Jan 20	Australian Open	Round 2	Lleyton Hewitt	L	6-7(3), 4-6, 1-6	Hard
Jan 19	Australian Open	Round 1	Christophe Rochus	W	1-6, 7-5, 6-2, 6-4	Hard

2009: 0-4

Date	Tournament	Round	Opponent	Result	Score	Surface
Oct 1	ATP Tour PTT Thailand Open	Round 2	Andreas Beck	L	1-6, 7-6(3), 4-6	Hard
Aug 31	US Open	Round 1	Tommy Robredo	L	4-6, 6-3, 2-6, 3-6	Hard
Aug 3	ATP Legg Mason Tennis Classic	Round 1	Lleyton Hewitt	L	5-7, 2-6	Hard
Feb 17	ATP Regions Morgan Keegan Championships	Round 1	Christophe Rochus	L	4-6, 3-6	Hard

2008: 8-20

Date	Tournament	Round	Opponent	Result	Score	Surface
Sep 30	ATP AIG Japan Open	Round 1	Martin Slanar	L	6-4, 3-6, 2-6	Hard
Sep 24	ATP Thailand Open	Round 1	Jurgen Melzer	L	3-6, 3-6	Hard
Aug 25	US Open	Round 1	James Blake	L	1-6, 6-3, 1-6, 6-4, 4-6	Hard
Aug 17	ATP Pilot Pen Tennis	Round 1	Dudi Sela	L	4-6, 2-6	Hard
Aug 13	ATP Legg Mason Tennis Classic	Round 2	John Isner	L	4-6, 6-7(4)	Hard
Aug 11	ATP Legg Mason Tennis Classic	Round 1	Luis Horna	W	6-3, 6-1	Hard
Aug 7	ATP Countrywide Classic	Round 2	Marc Gicquel	L	3-6, 3-6	Hard
Aug 5	ATP Countrywide Classic	Round 1	Tommy Haas	W	6-2, 6-4	Hard
Jul 28	ATP Masters Series Western & Southern Financial Group Masters	Round 1	Gael Monfils	L	1-6, 1-6	Hard
Jul 22	ATP Masters Series Rogers Masters	Round 1	Gilles Simon	L	1-6, 3-6	Hard
Jul 15	ATP Tour RCA Championships	Round 1	Vincent Spadea	L	2-6, 4-6	Hard
Jul 10	ATP Campbell's Hall of Fame	Round 2	Alexander Peya	L	6-7(4), 3-6	Grass

Show 16 more

Jul 7	ATP Campbell's Hall of Fame	Round 1	Woong-Sun Jun	W	6-3, 2-6, 6-4	Grass
Jun 24	Wimbledon	Round 1	Jesse Levine	L	6-4, 2-6, 3-6, 4-6	Grass
Jun 17	ATP The Slazenger Open	Round 1	Gilles Simon	L	1-6, 4-6	Grass
May 28	French Open	Round 1	Robby Ginepri	L	2-6, 6-3, 6-7(4), 2-6	Clay
May 19	ATP The Hypo Group Tennis International 2008	Round 1	Jurgen Melzer	L	5-7, 2-6	Clay
Apr 16	ATP Tour US Men's Claycourt Championships	Round 2	Oscar Hernandez	L	4-6, 4-6	Clay
Apr 14	ATP Tour US Men's Claycourt Championships	Round 1	Fernando Vicente	W	6-3, 7-6(5)	Clay
Mar 17	ATP Masters Series Pacific Life Open	Round 3	Rafael Nadal	L	1-6, 3-6	Hard
Mar 15	ATP Masters Series Pacific Life Open	Round 2	Feliciano Lopez	W	6-4, 6-7(3), 6-2	Hard
Mar 13	ATP Masters Series Pacific Life Open	Round 1	Bobby Reynolds	W	6-3, 6-4	Hard
Feb 29	ATP Regions Morgan Keegan Championships	Quarterfinal	Jonas Bjorkman	L	6-1, 2-6, 6-7(8)	Hard
Feb 28	ATP Regions Morgan Keegan Championships	Round 2	Alejandro Falla	W	6-1, 1-6, 6-3	Hard
Feb 26	ATP Regions Morgan Keegan Championships	Round 1	Sam Warburg	W	6-4, 6-4	Hard
Feb 18	ATP SAP Open	Round 1	Wayne Odesnik	L	1-6, 7-5, 4-6	Hard
Feb 13	ATP Delray Beach International Tennis Championship	Round 1	Amer Delic	L	6-7(7), 3-6	Hard
Jan 13	Australian Open	Round 1	Michael Berrer	L	7-6(5), 6-7(4), 3-6, 6-7(5)	Hard

2007: 2-3

Date	Tournament	Round	Opponent	Result	Score	Surface
Sep 1	US Open	Round 3	Feliciano Lopez	L	6-3, 3-6, 6-7(5), 5-7	Hard
Aug 30	US Open	Round 2	Richard Gasquet	W/O	Walkover	Hard
Aug 27	US Open	Round 1	Chris Guccione	W	6-7(2), 6-3, 6-2, 6-3	Hard
Aug 22	ATP Pilot Pen Tennis	Round 2	Nikolay Davydenko	L	2-6, 6-4, 5-7	Hard
Aug 19	ATP Pilot Pen Tennis	Round 1	Amer Delic	W	4-6, 6-3, 6-4	Hard
Jul 24	ATP Indianapolis Tennis Championship	Round 1	Hyung-Taik Lee	L	2-6, 4-6	Hard

How he is doing nowThrough Jul 29

Last 101-9LLLLLWLLLLNewest first. Five losses in a row.

Jul 29vs Sho ShimabukuroJul 29 - Mubadala DC Open, Qualifying 1st RoundL3-6, 4-6
Jul 22vs Lloyd HarrisJul 22 - Atlanta Open, Qualifying 1st RoundL1-6, 2-6
Jul 16vs Illya MarchenkoJul 16 - Cerity Partners Hall of Fame Open for the Van Alen Cup, Qualifying 1st RoundL1-6, 3-6
Aug 20vs Emilio NavaAug 20 - Winston-Salem Open, Qualifying 1st RoundL2-6, 2-6
Jul 24vs Dominik KoepferJul 24 - Atlanta Open, Qualifying FinalL1-6, 6-4, 3-6
Jul 23vs J.J. WolfJul 23 - Atlanta Open, Qualifying 1st RoundW4-6, 6-4, 3-1 ret. (ret.)

CareerPro since 2004

22years2004 to 2021

2007First ATP matchLost to Hyung-Taik Lee, ATP Indianapolis Tennis Championship
2012Career high No. 38Feb 27, 2012
Jan 8, 2021Latest matchLost to Frances Tiafoe, Delray Beach Open by Vitacost.com

Grand Slam titles

AO0Round 3 (2014)6-9 in our records

RG0Round 3 (2014)2-6 in our records

WIM0Round 2 (2017)2-7 in our records

USO0Round 4 (2015)10-12 in our records

First ATP match

Jul 24, 2007: lost to Hyung-Taik Lee 2-6, 4-6ATP Indianapolis Tennis Championship, on hard

Latest match

Jan 8, 2021: lost to Frances Tiafoe 3-6, 4-6Delray Beach Open by Vitacost.com, Round 1, on hard court

Most often against

The players he has met most in our records, with the head-to-head.

Kei Nishikori7 meetings, finals 0-0

0-7Young trails

Last: Aug 1, 2018, Citi Open Round 2, lost

Kevin Anderson7 meetings, finals 0-0

2-5Young trails

Last: Oct 29, 2015, Swiss Indoors Basel Round 2, won

Gilles Simon6 meetings, finals 0-0

1-5Young trails

Last: Sep 1, 2015, US Open Round 1, won

Grigor Dimitrov6 meetings, finals 0-0

1-5Young trails

Last: Feb 24, 2016, ATP & WTA Abierto Mexicano Telcel Round 2, lost

Michael Russell6 meetings, finals 0-0

1-5Young trails

Last: Mar 6, 2014, ATP BNP Paribas Open Round 1, lost

Andy Murray5 meetings, finals 0-1

1-4Young trails

Last: Mar 27, 2015, ATP Miami Open Round 2, lost

Sources and updates

Results and schedules come from Agatha's own records of the ATP Tour.

Updated Oct 5, 2026, 3:07 PM ET. Results and form refresh after every match; biography facts are checked weekly.