Player

🇺🇸 stefan kozlov

Career matches 606
Wins 336
Losses 270
Win rate 55.4%
Elo (current) 2,170 2026-04-22

Surface breakdown

Hard 56.5% 248W – 191L (439 matches)
Clay 56.8% 75W – 57L (132 matches)
Grass 37.1% 13W – 22L (35 matches)

Career form (last 10)

WLLWWWLLLW

Newest on left. Hover for details.

Head-to-head (top 5 opponents)

OpponentPlayedWLW%
j j wolf105550%
mitchell krueger105550%
tennys sandgren96367%
steve johnson85363%
darian king71614%

Recent matches

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1–50 of 606

DateTournamentRoundWinnerLoserScoreSurface
2026-04-20SavannahRound of 32stefan kozlovdaniil glinka6-2 6-3Clay
2026-04-20SavannahRound of 16nick hardtstefan kozlov6-2 2-6 6-0Clay
2026-04-13TallahasseeRound of 32alex rybakovstefan kozlov7-6(3) 6-2Clay
2026-04-13Tallahassee2nd Round Qualifyingstefan kozlovkilian feldbausch6-1 4-6 7-6(2)Clay
2026-04-13Tallahassee1st Round Qualifyingstefan kozlovstrong kirchheimer6-0 6-4Clay
2026-04-06Mexico CityRound of 32stefan kozlovraphael perot6-3 6-1Clay
2026-04-06Mexico CityRound of 16james duckworthstefan kozlov6-3 6-2Clay
2026-03-30San Luis PotosiRound of 32alan magadanstefan kozlov6-3 7-6(7)Clay
2026-03-23MoreliaRound of 32andres martinstefan kozlov6-2 6-2Hard
2026-03-16MorelosRound of 32stefan kozlovalan magadan6-4 6-4Hard
2026-03-16MorelosRound of 16michael mmohstefan kozlov7-5 6-2Hard
2026-03-10PhoenixRound of 32jay friendstefan kozlov6-2 4-6 6-3Hard
2026-03-10Phoenix2nd Round Qualifyingstefan kozlovmarc polmans6-1 3-6 6-4Hard
2026-03-10Phoenix1st Round Qualifyingstefan kozlovnathan ponwith7-5 6-4Hard
2026-02-23Acapulco1st Round Qualifyingpatrick kypsonstefan kozlov7-6(3) 6-0Hard
2026-02-16MetepecRound of 32stefan kozlovtristan mccormick6-3 6(4)-7 6-4Hard
2026-02-16MetepecRound of 16stefan kozlovkarl poling6-4 7-6(4)Hard
2026-02-16MetepecQuarterfinalsrodrigo pacheco mendezstefan kozlov6-4 6-2Hard
2026-02-02ClevelandRound of 32stefan kozlovcedrik marcel stebe3-6 6-2 6-3Hard
2026-02-02ClevelandRound of 16stefan kozlovraphael perot7-6(5) 3-6 6-3Hard
2026-02-02ClevelandQuarterfinalskeegan smithstefan kozlov6-3 6-2Hard
2026-01-27San DiegoRound of 32sho shimabukurostefan kozlov6-2 4-6 7-6(5)Hard
2026-01-19OeirasRound of 32stefan kozlovalexis galarneau7-6(2) 2-6 6-1Hard
2026-01-19OeirasRound of 16francesco passarostefan kozlov6-3 1-6 6-1Hard
2026-01-19Oeiras2nd Round Qualifyingstefan kozlovmikhail kukushkin6-4 6-2Hard
2026-01-19Oeiras1st Round Qualifyingstefan kozlovrobert strombachs6-3 5-0 RETHard
2026-01-12GlasgowRound of 32harry wendelkenstefan kozlov6-1 3-6 6-4Hard
2026-01-05NottinghamRound of 32stefan kozlovtyler zink6-4 6-1Hard
2026-01-05NottinghamRound of 16stefan kozlovmathys erhard6-2 6-4Hard
2026-01-05NottinghamQuarterfinalstoby samuelstefan kozlov7-6(1) 6-4Hard
2025-11-24Bogota#3041Round of 32stefan kozlovjuan bautista torres6-0 4-6 6-3Clay
2025-11-24Bogota#3041Round of 16stefan kozlovdavid jorda sanchis6-4 6-4Clay
2025-11-24Bogota#3041Quarter-Finalsjuan sebastian gomezstefan kozlov4-6 6-4 7-5Clay
2025-11-10ChampaignSemi-Finalsstefan kozlovcedrik marcel stebe6-0 4-0 RETHard
2025-11-10ChampaignRound of 32stefan kozlovleo borg6-1 6-0Hard
2025-11-10ChampaignRound of 16stefan kozlovtyler zink6-3 6-3Hard
2025-11-10ChampaignQuarter-Finalsstefan kozlovdarwin blanch6-2 6(7)-7 6-3Hard
2025-11-10ChampaignFinalsstefan kozlovmurphy cassone7-6(3) 7-5Hard
2025-11-03KnoxvilleRound of 32stefan kozlovdominique rolland7-6(1) 2-6 6-1Hard
2025-11-03KnoxvilleRound of 16jay clarkestefan kozlov6-2 2-6 6-3Hard
2025-08-04Chicago2nd Round Qualifyingtsung hao huangstefan kozlov1-6 7-5 6-2Hard
2025-08-04Chicago1st Round Qualifyingstefan kozlovramkumar ramanathan6-1 6(4)-7 5-3 RETHard
2025-07-07NewportRound of 32mitchell kruegerstefan kozlov6-1 3-6 6-1Grass
2025-06-02Tyler2nd Round Qualifyingalvin nicholas tudoricastefan kozlov7-5 6-3Hard
2025-06-02Tyler1st Round Qualifyingstefan kozlovdaniel milavsky6-3 6(7)-7 6-3Hard
2025-05-26Little RockRound of 32stefan kozlovaziz dougaz5-7 6-3 6-2Hard
2025-05-26Little RockRound of 16andy andradestefan kozlov6-1 4-6 7-5Hard
2025-05-26Little Rock2nd Round Qualifyingstefan kozlovelmar ejupovic6-4 7-6(5)Hard
2025-05-26Little Rock1st Round Qualifyingstefan kozlovkiranpal pannu7-6(3) 2-6 6-2Hard
2025-04-21SavannahRound of 32stefan kozlovmax wiskandt6-2 6-1Clay

Aliases

1

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  • stefan kozlov
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