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ID

Stefan Kozlov

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🏳️ USARight-handed183 cm1998-02-01 (28 yrs)Career high: No. 103 (2022-07-18)
253–229Win–Loss
52.5%Win %
0Titles
SurfaceWL%
Hard18816353.6%
Clay524454.2%
Grass132237.1%
Season by season
YearWLTitles%
20261715053.1%
20252312165.7%
20243520063.6%
2023612033.3%
20222134038.2%
20213613373.5%
202076053.8%
20191314048.1%
20181527035.7%
20173129151.7%
20163927159.1%
2015512029.4%
201457041.7%
20130100.0%

Ranking history

2014201620182020202220242026151020501002005001000No. 104

Matches

Date Tournament Round W/L Opponent Opp. rank Score
2026-05-12 Valencia CH Q2 L Alejo Sanchez Quilez 485 7-5 6-4
2026-05-12 Valencia CH Q1 W Mario Mansilla Diez 1678 6-2 6-1
2026-04-20 Savannah CH R16 L Nick Hardt 588 6-2 2-6 6-0
2026-04-20 Savannah CH R32 W Daniil Glinka 178 6-2 6-3
2026-04-13 Tallahassee CH R32 L Alex Rybakov 342 7-6(3) 6-2
2026-04-13 Tallahassee CH Q2 W Kilian Feldbausch 412 6-1 4-6 7-6(2)
2026-04-13 Tallahassee CH Q1 W Strong Kirchheimer 650 6-0 6-4
2026-04-06 Mexico City CH R16 L James Duckworth 86 6-3 6-2
2026-04-06 Mexico City CH R32 W Raphael Perot 410 6-3 6-1
2026-03-30 San Luis Potosi CH R32 L Alan Magadan 818 6-3 7-6(7)
2026-03-23 Morelia CH R32 L Andres Martin 273 6-2 6-2
2026-03-16 Cuernavaca CH R16 L Michael Mmoh 351 7-5 6-2
2026-03-16 Cuernavaca CH R32 W Alan Magadan 818 6-4 6-4
2026-03-10 Phoenix CH R32 L Jay Dylan Hara Friend 489 6-2 4-6 6-3
2026-03-10 Phoenix CH Q2 W Marc Polmans 367 6-1 3-6 6-4
2026-03-10 Phoenix CH Q1 W Nathan Ponwith 1169 7-5 6-4
2026-02-23 Acapulco Q1 L Patrick Kypson 103 7-6(3) 6-0
2026-02-16 Metepec CH QF L Rodrigo Pacheco Mendez 228 6-4 6-2
2026-02-16 Metepec CH R16 W Karl Poling 599 6-4 7-6(4)
2026-02-16 Metepec CH R32 W Tristan Mccormick 509 6-3 6-7(4) 6-4
2026-02-02 Cleveland CH QF L Keegan Smith 338 6-3 6-2
2026-02-02 Cleveland CH R16 W Raphael Perot 404 7-6(5) 3-6 6-3
2026-02-02 Cleveland CH R32 W Cedrik Marcel Stebe 320 3-6 6-2 6-3
2026-01-27 San Diego CH R32 L Sho Shimabukuro 144 6-2 4-6 7-6(5)
2026-01-19 Oeiras 1 CH R16 L Francesco Passaro 140 6-3 1-6 6-1
2026-01-19 Oeiras 1 CH R32 W Alexis Galarneau 214 7-6(2) 2-6 6-1
2026-01-19 Oeiras 1 CH Q2 W Mikhail Kukushkin 262 6-4 6-2
2026-01-19 Oeiras 1 CH Q1 W Robert Strombachs 403 6-3 5-0 RET
2026-01-12 Glasgow CH R32 L Harry Wendelken 316 6-1 3-6 6-4
2026-01-05 Nottingham CH QF L Toby Samuel 261 7-6(1) 6-4
2026-01-05 Nottingham CH R16 W Mathys Erhard 328 6-2 6-4
2026-01-05 Nottingham CH R32 W Tyler Zink 294 6-4 6-1
2025-11-24 Bogota CH QF L Juan Sebastian Gomez 997 4-6 6-4 7-5
2025-11-24 Bogota CH R16 W David Jorda Sanchis 401 6-4 6-4
2025-11-24 Bogota CH R32 W Juan Bautista Torres 375 6-0 4-6 6-3
2025-11-10 Champaign CH F W Murphy Cassone 245 7-6(3) 7-5
2025-11-10 Champaign CH SF W Cedrik Marcel Stebe 395 6-0 4-0 RET
2025-11-10 Champaign CH QF W Darwin Blanch 297 6-2 6-7(7) 6-3
2025-11-10 Champaign CH R16 W Tyler Zink 298 6-3 6-3
2025-11-10 Champaign CH R32 W Leo Borg 546 6-1 6-0
2025-11-03 Knoxville CH R16 L Jay Clarke 203 6-2 2-6 6-3
2025-11-03 Knoxville CH R32 W Dominique Rolland 966 7-6(1) 2-6 6-1
2025-08-04 Chicago CH Q2 L Tsung Hao Huang 536 1-6 7-5 6-2
2025-08-04 Chicago CH Q1 W Ramkumar Ramanathan 634 6-1 6-7(4) 5-3 RET
2025-07-07 Newport CH R32 L Mitchell Krueger 164 6-1 3-6 6-1
2025-06-02 Tyler CH Q2 L Alvin Nicholas Tudorica 451 7-5 6-3
2025-06-02 Tyler CH Q1 W Daniel Milavsky 679 6-3 6-7(7) 6-3
2025-05-26 Little Rock CH R16 L Andres Andrade 306 6-1 4-6 7-5
2025-05-26 Little Rock CH R32 W Aziz Dougaz 222 5-7 6-3 6-2
2025-05-26 Little Rock CH Q2 W Elmar Ejupovic 561 6-4 7-6(5)