AGATHANo gut feelings

TennisATPRight-handed

Steven Diez

CanadaAge, ranking and results

Steven Diez is a retired tennis player who reached a career-high ATP Tour ranking of No. 134 on November 18, 2019.

12ATP Tour matches

Updated Oct 5, 2026, 11:03 PM ET

Titles0 Grand Slam titles0 Career highNo. 134Nov 18, 2019 Agatha's recordNone yetno graded calls on him yet

About Steven Diez

Steven Diez was born on March 17, 1991, in Toronto, Ontario, Canada, and played right-handed with a two-handed backhand. He turned pro in 2009. Marcos Roy coached Diez. On November 18, 2019, he reached a career-high ATP Tour ranking of No. 134, and he retired in 2025.

#agatha-preview .pp2-about-text.is-folded[data-fold]>p:first-child{display:block!important;-webkit-line-clamp:none!important;line-clamp:none!important;overflow:visible!important}#agatha-preview .pp2-about-text.is-folded[data-fold]>pp2-about-rest[hidden]{display:block!important;content-visibility:visible!important}#agatha-preview .pp2-about .pp2-about-more{display:none!important}

Agatha Research DeskUpdated Oct 5, 2026

Match history12

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: 1-2

Date	Tournament	Round	Opponent	Result	Score	Surface
Oct 3	Shanghai Masters	Qualifying Final	Terence Atmane	L	6-7(2), 2-6	Hard
Oct 2	Shanghai Masters	Qualifying 1st Round	Nam Hoang Ly	W	2-6, 6-4, 6-3	Hard
Jun 24	Vanda Pharmaceuticals Mallorca Championships	Qualifying 1st Round	Li Tu	L	4-6, 3-6	Grass

2022: 1-4

Date	Tournament	Round	Opponent	Result	Score	Surface
Aug 6	National Bank Open	Qualifying 1st Round	Alexei Popyrin	L	3-6, 6-7(4)	Hard
May 14	Grand Prix Auvergne-Rhone-Alpes	Qualifying 1st Round	Gregoire Barrere	L	6-4, 1-6, 4-6	Clay
Apr 5	Fayez Sarofim & Co. U.S. Men's Clay Court Championship	Round 1	Jordan Thompson	L	3-6, 2-6	Clay
Apr 3	Fayez Sarofim & Co. U.S. Men's Clay Court Championship	Qualifying Final	Gijs Brouwer	L	6-4, 5-7, 2-6	Clay
Apr 2	Fayez Sarofim & Co. U.S. Men's Clay Court Championship	Qualifying 1st Round	Zachary Svajda	W	6-3, 6-2	Clay

Date	Tournament	Round	Opponent	Result	Score	Surface
May 24	French Open		Elliot Benchetrit	W	6-3, 6-1	Clay

Date	Tournament	Round	Opponent	Result	Score	Surface
Sep 28	French Open	Round 1	Mackenzie McDonald	L	6-4, 3-6, 3-6, 4-6	Clay

2019: 1-2

Date	Tournament	Round	Opponent	Result	Score	Surface
Aug 23	US Open		SoonWoo Kwon	L	6-4, 3-6, 3-6	Hard
May 22	Open Parc Auvergne-Rhone-Alpes Lyon	Round 2	Jo-Wilfried Tsonga	L	6-3, 6-7(2), 3-6	Clay
May 20	Open Parc Auvergne-Rhone-Alpes Lyon	Round 1	Bernard Tomic	W	6-4, 4-1 ret. (ret.)	Clay

Date	Tournament	Round	Opponent	Result	Score	Surface
Apr 24	ATP Barcelona Open Banc Sabadell	Round 1	Nicolas Almagro	L	3-6, 4-6	Clay

2016: 1-3

Date	Tournament	Round	Opponent	Result	Score	Surface
Jul 27	ATP Rogers Cup	Round 2	Bernard Tomic	L	3-6, 6-7(4)	Hard
Jul 25	ATP Rogers Cup	Round 1	Kyle Edmund	W	3-6, 6-3, 6-2	Hard
Jul 12	ATP Bet-at-home Open German	Round 1	Louis Wessels	L	7-5, 2-6, 1-6	Clay
Apr 26	Millennium Estoril Open	Round 1	Taro Daniel	L	5-7, 1-6	Clay

Date	Tournament	Round	Opponent	Result	Score	Surface
Jul 22	ATP BB&T Atlanta Open	Round 1	Thiemo De Bakker	L	1-6, 2-6	Hard

How he is doing nowThrough Oct 3

Last 103-7LWLLLLLWWLNewest first. Lost his last match.

Oct 3vs Terence AtmaneOct 3 - Shanghai Masters, Qualifying FinalL6-7(2), 2-6
Oct 2vs Nam Hoang LyOct 2 - Shanghai Masters, Qualifying 1st RoundW2-6, 6-4, 6-3
Jun 24vs Li TuJun 24 - Vanda Pharmaceuticals Mallorca Championships, Qualifying 1st RoundL4-6, 3-6
Aug 6vs Alexei PopyrinAug 6 - National Bank Open, Qualifying 1st RoundL3-6, 6-7(4)
May 14vs Gregoire BarrereMay 14 - Grand Prix Auvergne-Rhone-Alpes, Qualifying 1st RoundL6-4, 1-6, 4-6
Apr 5vs Jordan ThompsonApr 5 - Fayez Sarofim & Co. U.S. Men's Clay Court Championship, Round 1L3-6, 2-6

CareerPro since 2009

17years2009 to 2022

2014First ATP matchLost to Thiemo De Bakker, ATP BB&T Atlanta Open
2019Career high No. 134Nov 18, 2019
Apr 5, 2022Latest matchLost to Jordan Thompson, Fayez Sarofim & Co. U.S. Men's Clay Court Championship

Grand Slam titles

AO0-

RG0Round 1 (2020)1-1 in our records

WIM0-

USO0-0-1 in our records

First ATP match

Jul 22, 2014: lost to Thiemo De Bakker 1-6, 2-6ATP BB&T Atlanta Open, on hard

Latest match

Apr 5, 2022: lost to Jordan Thompson 3-6, 2-6Fayez Sarofim & Co. U.S. Men's Clay Court Championship, Round 1, on clay court

Most often against

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

Bernard Tomic2 meetings, finals 0-0

1-1All square

Last: May 20, 2019, Open Parc Auvergne-Rhone-Alpes Lyon Round 1, won

Sources and updates

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

Updated Oct 5, 2026, 11:03 PM ET. Results and form refresh after every match; biography facts are checked weekly.