Jason Murray Kubler vs Stefan Kozlov Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
J. Murray Kubler vs S. Kozlov

Jason Murray Kubler

AUS

1

Win

Played

2

Win

Age

5'10" (178 cm)

Height

6'0" (183 cm)

190

C. Rank

448

Best Rank

103

Total Titles

YTD Titles

$1.3M

Career Money

$372.0K

Right-Handed

Plays

Right-Handed

Stefan Kozlov

USA

1

Win

Played

2

Win

Age

5'10" (178 cm)

Height

6'0" (183 cm)

190

C. Rank

448

Best Rank

103

Total Titles

YTD Titles

$1.3M

Career Money

$372.0K

Right-Handed

Plays

Right-Handed

Head-to-head: Kubler 1 - 2 Kozlov

They have played 6 sets in total, with Jason Murray Kubler winning 2 and Stefan Kozlov winning 4. The last match between Stefan Kozlov and Jason Murray Kubler was at the Charlottesville Challenger, 03-11-2021, Round: R2, Surface: I.hard, with Stefan Kozlov getting the victory 6-3 6-1.

Players	Head To Head Match Wins
Kubler	1
Kozlov	2

Last 3 H2H Matches:

(R2) Charlottesville Challenger(11-03-21)

Stats

Stefan Kozlov

Jason Murray Kubler

(R2) Columbus Challenger(09-23-21)

Stats

Stefan Kozlov

Jason Murray Kubler

(R3) Winnetka Challenger(07-11-19)

Stats

Jason Murray Kubler

Stefan Kozlov

J. M. Kubler vs S. Kozlov H2H Profile

J. M. Kubler	Stats	S. Kozlov
$1,257,590	Career Prize Money	$371,951
67.42% (449-217)	Career Total W/L	56.71% (338-258)
1	Hard	0
0	Indoor	2
25	Titles	10
1	Total H2H Matches	2
0% (0-0)	YTD Win/Loss	0% (0-0)

J. M. Kubler vs S. Kozlov Match Preview:

Second serve performance recent form: In recent form (last 6 months), Jason Murray Kubler has won 43.55% of points on their second serve, while Stefan Kozlov has won 44.22%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Jason Murray Kubler, in recent form, has won 46.40% of their opponent's second serve points, while Stefan Kozlov has won 49.28%. The same stats for first serve returns are 21.86% and 31.40% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Jason Murray Kubler has saved 52.49% of breakpoints in recent form, whereas Stefan Kozlov has saved 49.71% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Jason Murray Kubler has won 76.36% of matches played (W/L 42/13), with Stefan Kozlov winning 65.63% (W/L 21/11) that gives us an overall head-to head prediction overview.
Best surface: Jason Murray Kubler has their best career surface win % on Clay, winning 70% (W/L 249/106), and worse career win % on I.hard, winning 38% (W/L 6/10). Stefan Kozlov has their best career surface win % on I.hard, winning 70% (W/L 80/47), and worse career win % on Grass, winning 38% (W/L 15/24).
Player level: In the last year, Jason Murray Kubler has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 86.21% of matches (W/L 25/4), where as Stefan Kozlov has played most of their matches on the Challengers/ITF tournaments > $10K, winning 62.50% of matches (W/L 15/9). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
Direct H2H matches: They have played 3 times before with Jason Murray Kubler winning 1 times and Stefan Kozlov being victorious 2 times. They have played 6 sets in total, with Jason Murray Kubler winning 2 and Stefan Kozlov winning 4.
The last match between Jason Murray Kubler and Stefan Kozlov was at the Charlottesville Challenger, 03-11-2021, Round: R2, Surface: I.hard, with Stefan Kozlov getting the victory 6-3 6-1.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:26:16.
Opponent quality stats: Over the last 12 months, Jason Murray Kubler has played against opponents with an average rank of 405.49 while Stefan Kozlov has played against players with an average rank of 403.94.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Jason Murray Kubler has won 46% of deciding sets over the last 12 months, while Stefan Kozlov has won 64% in all matches played on tour.
Break point conversion: In recent form, Jason Murray Kubler has converted 32.56% of breakpoint opportunities, and Stefan Kozlov has converted 37.21% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Jason Murray Kubler vs Stefan Kozlov Editorial Preview By TennisTipster88.

J. M. Kubler vs S. Kozlov H2H Stats Used In Our Predictions

J. M. Kubler	Stats	S. Kozlov
1	H2H Matches Won	2
2	Sets Won	4
23	Games Won	30
6	Aces (Total)	9
8	Total Double Faults	11
1:26:16	Average Match Time	1:26:16
64% (114/177)	1st Serve %	66% (107/163)
61% (70/114)	1st Serve Win %	69% (74/107)
41% (26/63)	2nd Serve Win %	45% (25/56)
47% (8/17)	Break Pts Won %	48% (11/23)
39% (64/163)	Return Points Win %	46% (81/177)
33% (1/3)	Best‑of‑3 Win %	67% (2/3)
100% (1/1)	1st Set Won, Won Match	100% (2/2)
0% (0/1)	1st Set Won, Lost Match	0% (0/2)
0% (0/2)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

J. M. Kubler Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Jinan Challenger - 06-10-2025
Q1 Kasidit SamrejK. Samrej	L	6-4 7-6(5)	Stats
Shanghai Rolex Masters - Shanghai - 29-09-2025
Q3 Yannick HanfmannY. Hanfmann	L	6-2 6-3	Stats
Q1 Chak Lam Coleman WongC. Lam	W	7-6(4) 6-3	Stats
U.S. Open - New York - 25-08-2025
Q3 Dino PrizmicD. Prizmic	L	6-3 4-6 6-1	Stats
Q2 Kyrian JacquetK. Jacquet	W	6-4 6-2	Stats

View All

S. Kozlov Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Chicago Challenger - 04-08-2025
Q3 Tsung-Hao HuangT. Huang	L	1-6 7-5 6-2	Stats
Q1 Ramkumar RamanathanR. Ramanathan	W	6-1 6-7(4) 5-3 ret.	Stats
Newport Challenger - 07-07-2025
R1 Mitchell KruegerM. Krueger	L	6-1 3-6 6-1	Stats
Tyler Challenger - 02-06-2025
Q3 Alvin Nicholas TudoricaA. Nicholas	L	7-5 6-3	Stats
Q1 Daniel MilavskyD. Milavsky	W	6-3 6-7(7) 6-3	Stats

View All

J. M. Kubler vs S. Kozlov Stats Breakdown Vs All H2H Opponents

J. M. Kubler	Stats	S. Kozlov
67.42% (449/217)	YTD Win/Loss	56.71% (338/258)
64.22% (996/555)	Sets Win/Loss	53.99% (758/646)
55.31% (8067/6518)	Games Win/Loss	51.48% (6727/6339)
65.98% (161/83)	Hard Win/Loss	55.33% (166/134)
70.14% (249/106)	Clay Win/Loss	59.23% (77/53)
37.50% (6/10)	Indoor Hard W/L	62.99% (80/47)
64.71% (33/18)	Grass Win/Loss	38.46% (15/24)
0.31	Aces Per Game	0.22
2183	Aces Total	1430
0.26	Double Faults Per Game	0.33
1846	Total Double Faults	2102
1st Match	Average Match Time	1:35:5
515.5	Average Opponent Rank	562.71
61% (19427/31645)	1st Serve %	61% (22789/37267)
72% (13895/19427)	1st Serve Win %	66% (15079/22789)
51% (6193/12217)	2nd Serve Win %	48% (6985/14478)
44% (1436/3270)	Break Points Won % (Total)	42% (1766/4187)
40% (12825/31926)	Return Points Win %	42% (15694/37759)
51.92% (27/25)	Slam W/L	31.03% (9/20)
38.46% (5/8)	Masters W/L	23.53% (4/13)
50.00% (1/1)	Cups W/L	0% (0/0)
47.06% (24/27)	Main Tour W/L	38.81% (26/41)
66.94% (166/82)	Challenger W/L	58.06% (198/143)
75.33% (226/74)	Futures W/L	71.13% (101/41)
69% (430/625)	Best of 3 Sets Win %	57% (330/578)
48% (15/31)	Best of 5 Sets Win %	45% (5/11)
55% (113/205)	Tiebreaks Win % (Total)	48% (68/143)
57% (107/187)	Deciding Set Win %	61% (127/207)
90% (428/387)	1st Set Won, Won Match	87% (310/270)
9% (428/38)	1st Set Won, Lost Match	12% (310/38)
26% (238/61)	1st Set Lost, Won Match	24% (286/68)