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)

Opponent	Played	W	L	W%
j j wolf	10	5	5	50%
mitchell krueger	10	5	5	50%
tennys sandgren	9	6	3	67%
steve johnson	8	5	3	63%
darian king	7	1	6	14%

Recent matches

201–250 of 606

Date	Tournament	Round	Winner	Loser	Score	Surface
2021-11-01	Charlottesville CH	F	stefan kozlov	aleksandar vukic	6-2 6-3	Hard
2021-11-01	Charlottesville CH	SF	stefan kozlov	j j wolf	6-1 6-7(1) 6-0	Hard
2021-11-01	Charlottesville CH	QF	stefan kozlov	emilio nava	6-4 6-2	Hard
2021-11-01	Charlottesville CH	R16	stefan kozlov	jason kubler	6-3 6-1	Hard
2021-11-01	Charlottesville CH	R32	stefan kozlov	bjorn fratangelo	7-5 6-2	Hard
2021-10-25	Las Vegas CH	F	j j wolf	stefan kozlov	6-4 6-4	Hard
2021-10-25	Las Vegas CH	SF	stefan kozlov	aleksandar kovacevic	6-2 6-4	Hard
2021-10-25	Las Vegas CH	QF	stefan kozlov	emilio gomez	7-6(3) 6-4	Hard
2021-10-25	Las Vegas CH	R16	stefan kozlov	aidan mchugh	6-2 5-7 7-6(13)	Hard
2021-10-25	Las Vegas CH	R32	stefan kozlov	sasi kumar mukund	6-2 6-4	Hard
2021-10-04	Indian Wells Masters	Q2	christopher eubanks	stefan kozlov	2-6 6-0 7-5	Hard
2021-10-04	Indian Wells Masters	Q1	stefan kozlov	jason jung	6-3 3-6 5-2 RET	Hard
2021-09-20	Columbus CH	F	stefan kozlov	max purcell	4-6 6-2 6-4	Hard
2021-09-20	Columbus CH	SF	stefan kozlov	j j wolf	2-6 6-3 7-5	Hard
2021-09-20	Columbus CH	QF	stefan kozlov	mikael torpegaard	2-6 7-6(4) 6-4	Hard
2021-09-20	Columbus CH	R16	stefan kozlov	jason kubler	6-2 7-5	Hard
2021-09-20	Columbus CH	R32	stefan kozlov	mitchell krueger	6-0 6-3	Hard
2021-09-13	Cary 2 CH	R32	zachary svajda	stefan kozlov	7-5 2-0 RET	Hard
2021-09-06	Kyiv CH	R32	franco agamenone	stefan kozlov	6-4 7-5	Clay
2021-08-30	Manacor CH	R16	fernando verdasco	stefan kozlov	1-6 7-6(6) 6-2	Hard
2021-08-30	Manacor CH	R32	stefan kozlov	daniel rincon	6-3 1-6 6-1	Hard
2021-08-30	Us Open	Q1	bernabe zapata miralles	stefan kozlov	7-5 1-6 6-3	Hard
2021-07-26	Lexington CH	R16	alejandro tabilo	stefan kozlov	6-2 6-2	Hard
2021-07-26	Lexington CH	R32	stefan kozlov	christopher eubanks	7-6(3) 7-6(6)	Hard
2021-07-26	Lexington CH	Q2	stefan kozlov	edan leshem	3-6 7-6(4) 6-1	Hard
2021-07-26	Lexington CH	Q1	stefan kozlov	sam riffice	6-2 6-3	Hard
2021-07-19	Cary 1 CH	SF	ramkumar ramanathan	stefan kozlov	1-6 6-3 6-1	Hard
2021-07-19	Cary 1 CH	QF	stefan kozlov	christopher eubanks	5-7 6-1 6-3	Hard
2021-07-19	Cary 1 CH	R16	stefan kozlov	maxime cressy	3-6 6-3 6-4	Hard
2021-07-19	Cary 1 CH	R32	stefan kozlov	donald young	4-6 6-4 6-4	Hard
2021-06-28	M15 Weston FL	F	liam draxl	stefan kozlov	6-7(5) 6-3 ABD	Clay
2021-06-28	M15 Weston FL	SF	stefan kozlov	ryan harrison	5-7 6-3 6-3	Clay
2021-06-28	M15 Weston FL	QF	stefan kozlov	christian langmo	6-2 7-5	Clay
2021-06-28	M15 Weston FL	R16	stefan kozlov	ben shelton	7-5 6-1	Clay
2021-06-28	M15 Weston FL	R32	stefan kozlov	evan zhu	6-3 3-6 6-1	Clay
2021-06-14	M25 Tulsa OK	R32	michail pervolarakis	stefan kozlov	7-6(4) 6-4	Hard
2021-06-07	Orlando 2 CH	R32	thiago agustin tirante	stefan kozlov	6-3 6-1	Hard
2021-06-07	Orlando 2 CH	Q2	stefan kozlov	adrian andreev	4-6 6-4 6-4	Hard
2021-06-07	Orlando 2 CH	Q1	stefan kozlov	robert galloway	6-4 7-6(4)	Hard
2021-05-31	Little Rock CH	R32	thai son kwiatkowski	stefan kozlov	6-2 6-1	Hard
2021-05-31	Little Rock CH	Q2	stefan kozlov	strong kirchheimer	6-3 6-2	Hard
2021-05-31	Little Rock CH	Q1	stefan kozlov	brian battistone	6-2 6-2	Hard
2021-03-15	Acapulco	R32	cameron norrie	stefan kozlov	6-3 6-3	Hard
2021-03-15	Acapulco	Q3	stefan kozlov	botic van de zandschulp	6-3 1-0 RET	Hard
2021-03-15	Acapulco	Q2	stefan kozlov	joao sousa	6-2 2-6 6-3	Hard
2021-03-15	Acapulco	Q1	stefan kozlov	jordi arconada	6-4 6-1	Hard
2021-02-15	M25 Naples FL	R16	mitchell krueger	stefan kozlov	6-4 3-0 RET	Clay
2021-02-15	M25 Naples FL	R32	stefan kozlov	gonzalo villanueva	6-3 6-2	Clay
2021-01-04	Delray Beach	Q2	donald young	stefan kozlov	4-6 6-4 6-4	Hard
2021-01-04	Delray Beach	Q1	stefan kozlov	johannes haerteis	5-0 RET	Hard

Aliases

betfair

stefan kozlov