Stefan Kozlov

American 292 ATP rankingATP 185 points 28 years 183 cm Right handed

Match log

2026

Washington, qualifyingHard, July
Q1LZachary Svajda5-7 1-6
Bloomfield Hills, challengerJuly
R32LAlan Magadan6-3 1-6 6-7(4)
Pozoblanco, challengerJuly
R32LYi Zhou3-6 6-3 4-6
Newport, challengerJuly
R16LJacob Fearnley6-3 3-6 2-6
R32WYibing Wu6-4 2-6 6-4
Valencia CH, challengerClay, May
Q2LAlejo Sanchez Quilez5-7 4-6
Q1WMario Mansilla Diez6-2 6-1
Savannah CH, challengerClay, April
R16LNick Hardt2-6 6-2 0-6
R32WDaniil Glinka6-2 6-3
Tallahassee CH, challengerClay, April
R32LAlex Rybakov6-7(3) 2-6
Q2WKilian Feldbausch6-1 4-6 7-6(2)
Q1WStrong Kirchheimer6-0 6-4
Mexico City CH, challengerClay, April
R16LJames Duckworth3-6 2-6
R32WRaphael Perot6-3 6-1
San Luis Potosi CH, challengerClay, March
R32LAlan Magadan3-6 6-7(7)
Morelia CH, challengerHard, March
R32LAndres Martin2-6 2-6
Cuernavaca CH, challengerHard, March
R16LMichael Mmoh5-7 2-6
R32WAlan Magadan6-4 6-4
Phoenix CH, challengerHard, March
R32LJay Dylan Hara Friend2-6 6-4 3-6
Q2WMarc Polmans6-1 3-6 6-4
Q1WNathan Ponwith7-5 6-4
Acapulco, qualifyingHard, February
Q1LPatrick Kypson6-7(3) 0-6
Metepec CH, challengerHard, February
QFLRodrigo Pacheco Mendez4-6 2-6
R16WKarl Poling6-4 7-6(4)
R32WTristan Mccormick6-3 6-7(4) 6-4
Cleveland CH, challengerHard, February
QFLKeegan Smith3-6 2-6
R16WRaphael Perot7-6(5) 3-6 6-3
R32WCedrik Marcel Stebe3-6 6-2 6-3
San Diego CH, challengerHard, January
R32LSho Shimabukuro2-6 6-4 6-7(5)
Oeiras 1 CH, challengerHard, January
R16LFrancesco Passaro3-6 6-1 1-6
R32WAlexis Galarneau7-6(2) 2-6 6-1
Q2WMikhail Kukushkin6-4 6-2
Q1WRobert Strombachs6-3 5-0 RET
Glasgow CH, challengerHard, January
R32LHarry Wendelken1-6 6-3 4-6
Nottingham CH, challengerHard, January
QFLToby Samuel6-7(1) 4-6
R16WMathys Erhard6-2 6-4
R32WTyler Zink6-4 6-1

2025

Bogota CH, challengerClay, November
QFLJuan Sebastian Gomez6-4 4-6 5-7
R16WDavid Jorda Sanchis6-4 6-4
R32WJuan Bautista Torres6-0 4-6 6-3
Champaign CH, challengerWon the titleHard, November
FWMurphy Cassone7-6(3) 7-5Won the title
SFWCedrik Marcel Stebe6-0 4-0 RET
QFWDarwin Blanch6-2 6-7(7) 6-3
R16WTyler Zink6-3 6-3
R32WLeo Borg6-1 6-0
Knoxville CH, challengerHard, November
R16LJay Clarke2-6 6-2 3-6
R32WDominique Rolland7-6(1) 2-6 6-1
Chicago CH, challengerHard, August
Q2LTsung Hao Huang6-1 5-7 2-6
Q1WRamkumar Ramanathan6-1 6-7(4) 5-3 RET
Newport CH, challengerGrass, July
R32LMitchell Krueger1-6 6-3 1-6