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Daniel Koellerer

AustriaAge, ranking and results

Daniel Koellerer is a retired ATP Tour player who reached a career-high ranking of No. 55 on October 19, 2009.

46ATP Tour matches since 2007

Updated Oct 5, 2026, 3:18 PM ET

Titles0since 2007 Grand Slam titles0since 2007 Career highNo. 55Oct 19, 2009 Agatha's recordNone yetno graded calls on him yet

About Daniel Koellerer

Daniel Koellerer was born on August 17, 1983, in Wels, Austria, and played right-handed with a two-handed backhand. He turned pro in 2002. On October 19, 2009, he reached a career-high ATP Tour ranking of No. 55, and he retired in 2011.

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Agatha Research DeskUpdated Oct 5, 2026

Match history46

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.

2010: 4-10

Date	Tournament	Round	Opponent	Result	Score	Surface
Jun 7	ATP AEGON Championships	Round 1	Ivan Navarro	L	3-6, 4-6	Grass
May 25	French Open	Round 1	Teymuraz Gabashvili	L	2-6, 2-6, 1-6	Clay
May 5	ATP BMW Open	Round 2	Philipp Petzschner	L	1-6, 4-6	Clay
May 4	ATP BMW Open	Round 1	Mario Ancic	W	7-6(7), 7-5	Clay
Apr 6	ATP Grand Prix Hassan II	Round 1	Andrey Golubev	L	2-6, 6-7(5)	Clay
Mar 26	ATP World Tour Masters 1000 Sony Ericsson Open	Round 2	Juan Carlos Ferrero	L	0-4 ret. (ret.)	Hard
Mar 24	ATP World Tour Masters 1000 Sony Ericsson Open	Round 1	Christophe Rochus	W	4-6, 6-3, 6-2	Hard
Mar 13	ATP BNP Paribas Open	Round 2	Juan Carlos Ferrero	L	3-6, 0-6	Hard
Mar 11	ATP BNP Paribas Open	Round 1	Rajeev Ram	W	6-1, 6-3	Hard
Feb 16	ATP Copa Telmex	Round 1	Santiago Ventura	L	4-6, 2-6	Clay
Feb 3	ATP PBZ Zagreb Indoors	Round 2	Marin Cilic	L	2-6, 1-6	Hard
Feb 2	ATP PBZ Zagreb Indoors	Round 1	Andrey Golubev	W	6-3, 3-6, 6-3	Hard

Show 2 more

Jan 18	Australian Open	Round 1	Antonio Veic	L	4-6, 6-3, 7-6(3), 1-6, 4-6	Hard
Jan 4	ATP Qatar ExxonMobil Open	Round 1	Benjamin Becker	L	1-5 ret. (ret.)	Hard

2009: 10-17

Date	Tournament	Round	Opponent	Result	Score	Surface
Nov 3	ATP Davidoff Swiss Indoors Basel	Round 1	Michael Lammer	L	6-3, 2-6, 5-7	Hard
Oct 29	ATP Bank Austria Tennis Trophy	Round 2	Feliciano Lopez	L	3-6, 3-6	Hard
Oct 28	ATP Bank Austria Tennis Trophy	Round 1	Jarkko Nieminen	W	6-1, 6-2	Hard
Oct 20	ATP Kremlin Cup	Round 1	Janko Tipsarevic	L	4-6, 3-6	Hard
Sep 24	ATP BCR Open Romania	Round 2	Simon Greul	L	1-6, 4-6	Clay
Sep 22	ATP BCR Open Romania	Round 1	Filippo Volandri	W	2-6, 7-5, 6-3	Clay
Sep 6	US Open	Round 3	Juan Martin del Potro	L	1-6, 6-3, 3-6, 3-6	Hard
Sep 4	US Open	Round 2	Pablo Cuevas	W	3-6, 6-2, 6-1, 6-4	Hard
Sep 2	US Open	Round 1	Rui Machado	W	6-2, 6-4, 2-6, 6-2	Hard
Jul 29	ATP Studena Croatia Open	Round 1	David Ferrer	L	1-6, 7-6(2), 3-6	Clay
Jul 16	ATP Catella Swedish Open	Round 2	Fernando Verdasco	L	7-6(1), 2-6, 5-7	Clay
Jul 14	ATP Catella Swedish Open	Round 1	Steve Darcis	W	1-6, 6-3, 6-4	Clay

Show 15 more

Jun 22	Wimbledon	Round 1	Simone Bolelli	L	7-6(3), 6-2, 5-7, 4-6, 4-6	Grass
Jun 15	ATP Tour Ordina Open	Round 1	Oscar Hernandez	L	3-6, 2-6	Grass
Jun 9	ATP AEGON Championships	Round 1	Julien Benneteau	L	3-6, 4-6	Grass
May 25	French Open	Round 1	Nicolas Massu	L	3-6, 4-6, 6-1, 6-2, 3-6	Clay
May 21	ATP Interwetten Austrian Open	Quarterfinal	Julien Benneteau	L	2-6, 7-6(5), 0-6	Clay
May 20	ATP Interwetten Austrian Open	Round 2	Diego Junquiera	W	6-1, 6-2	Clay
May 18	ATP Interwetten Austrian Open	Round 1	Thomaz Bellucci	W	6-4, 6-4	Clay
Apr 7	ATP Grand Prix Hassan II	Round 1	Nicolas Devilder	L	3-6, 4-6	Clay
Mar 15	ATP BNP Paribas Open	Round 2	Andy Roddick	L	1-6, 6-7(3)	Hard
Mar 13	ATP BNP Paribas Open	Round 1	Mischa Zverev	W	2-6, 7-5, 6-2	Hard
Feb 26	ATP Abierto Mexicano Telcel	Quarterfinal	Martin Vassallo Arguello	L	3-6, 6-7(6)	Clay
Feb 25	ATP Abierto Mexicano Telcel	Round 2	Alberto Martin	W	6-4, 5-7, 7-6(4)	Clay
Feb 24	ATP Abierto Mexicano Telcel	Round 1	David Nalbandian	W	1-6, 6-3, 6-4	Clay
Feb 3	ATP SA Tennis Open	Round 1	Frederico Gil	L	4-6, 0-6	Hard
Jan 6	ATP Chennai Open	Round 1	Nikolay Davydenko	L	2-6, 3-6	Hard

2008: 1-2

Date	Tournament	Round	Opponent	Result	Score	Surface
Jul 16	ATP Tour Austrian Open	Round 2	Potito Starace	L	4-6, 3-6	Clay
Jul 15	ATP Tour Austrian Open	Round 1	Philipp Oswald	W	7-6(5), 7-6(4)	Clay
Jul 8	ATP Catella Swedish Open	Round 1	Steve Darcis	L	6-7(4), 0-6	Clay

Date	Tournament	Round	Opponent	Result	Score	Surface
Jul 25	ATP Tour Generali Open	Round 2	Juan Ignacio Chela	L	6-3, 3-6, 2-6	Clay
Jul 24	ATP Tour Generali Open	Round 1	Stefan Koubek	W	6-4, 6-0	Clay

How he is doing nowThrough Jun 7

Last 103-7LLLWLLWLWLNewest first. Three losses in a row.

CareerPro since 2002

24years2002 to 2010

2007First ATP matchBeat Stefan Koubek, ATP Tour Generali Open
2009Career high No. 55Oct 19, 2009
Jun 7, 2010Latest matchLost to Ivan Navarro, ATP AEGON Championships

Grand Slam titles

AO0Round 1 (2010)0-1 in our records

RG0Round 1 (2010)0-2 in our records

WIM0Round 1 (2009)0-1 in our records

USO0Round 3 (2009)2-1 in our records

First ATP match

Jul 24, 2007: beat Stefan Koubek 6-4, 6-0ATP Tour Generali Open, on clay

Latest match

Jun 7, 2010: lost to Ivan Navarro 3-6, 4-6ATP AEGON Championships, Round 1, on grass court

Most often against

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

Andrey Golubev2 meetings, finals 0-0

1-1All square

Last: Apr 6, 2010, ATP Grand Prix Hassan II Round 1, lost

Juan Carlos Ferrero2 meetings, finals 0-0

0-2Koellerer trails

Last: Mar 26, 2010, ATP World Tour Masters 1000 Sony Ericsson Open Round 2, lost

Julien Benneteau2 meetings, finals 0-0

0-2Koellerer trails

Last: Jun 9, 2009, ATP AEGON Championships Round 1, lost

Steve Darcis2 meetings, finals 0-0

1-1All square

Last: Jul 14, 2009, ATP Catella Swedish Open Round 1, won

Sources and updates

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

Updated Oct 5, 2026, 3:18 PM ET. Results and form refresh after every match; biography facts are checked weekly.