Quentin Halys vs Stefan Kozlov Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
Q. Halys vs S. Kozlov

Quentin Halys

FRA

1

Win

Played

0

Win

Age

6'3" (191 cm)

Height

6'0" (183 cm)

C. Rank

458

Best Rank

103

Total Titles

YTD Titles

$2.4M

Career Money

$372.0K

Right-Handed

Plays

Right-Handed

Stefan Kozlov

USA

1

Win

Played

0

Win

Age

6'3" (191 cm)

Height

6'0" (183 cm)

C. Rank

458

Best Rank

103

Total Titles

YTD Titles

$2.4M

Career Money

$372.0K

Right-Handed

Plays

Right-Handed

Head-to-head: Halys 1 - 0 Kozlov

They have played 2 sets in total, with Quentin Halys winning 2 and Stefan Kozlov winning 0. The last match between Quentin Halys and Stefan Kozlov was at the BB&T Atlanta Open - Atlanta, 24-07-2017, Round: R1, Surface: Hard, with Quentin Halys getting the victory 7-5 7-6(7).

Players	Head To Head Match Wins
Halys	1
Kozlov	0

Last 1 H2H Matches:

(R1) BB&T Atlanta Open - Atlanta(07-24-17)

Stats

Quentin Halys

Stefan Kozlov

Q. Halys vs S. Kozlov H2H Profile

Q. Halys	Stats	S. Kozlov
$2,353,775	Career Prize Money	$371,951
55.47% (426-342)	Career Total W/L	56.98% (343-259)
1	Hard	0
12	Titles	10
1	Total H2H Matches	0
33.33% (12-24)	YTD Win/Loss	0% (0-0)

Q. Halys vs S. Kozlov Match Preview:

Second serve performance recent form: In recent form (last 6 months), Quentin Halys has won 47.75% of points on their second serve, while Stefan Kozlov has won 46.37%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Quentin Halys, in recent form, has won 42.97% of their opponent's second serve points, while Stefan Kozlov has won 47.94%. The same stats for first serve returns are 20.96% and 29.27% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Quentin Halys has saved 53.89% of breakpoints in recent form, whereas Stefan Kozlov has saved 50.00% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Quentin Halys has won 38.00% of matches played (W/L 19/31), with Stefan Kozlov winning 69.44% (W/L 25/11) that gives us an overall head-to head prediction overview.
Best surface: Quentin Halys has their best career surface win % on I.hard, winning 58% (W/L 146/107), and worse career win % on Clay, winning 53% (W/L 114/101). Stefan Kozlov has their best career surface win % on I.hard, winning 58% (W/L 85/48), and worse career win % on Grass, winning 38% (W/L 15/24).
Player level: In the last year, Quentin Halys has played most of their matches on the Main tour, winning 41.38% of matches (W/L 12/17), where as Stefan Kozlov has played most of their matches on the Challengers/ITF tournaments > $10K, winning 67.86% of matches (W/L 19/9). 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 1 times before with Quentin Halys winning 1 times and Stefan Kozlov being victorious 0 times. They have played 2 sets in total, with Quentin Halys winning 2 and Stefan Kozlov winning 0.
The last match between Quentin Halys and Stefan Kozlov was at the BB&T Atlanta Open - Atlanta, 24-07-2017, Round: R1, Surface: Hard, with Quentin Halys getting the victory 7-5 7-6(7).
Head to head match duration: In past head to head matches, the average match time between these players has been 1:47:35.
Opponent quality stats: Over the last 12 months, Quentin Halys has played against opponents with an average rank of 130.4 while Stefan Kozlov has played against players with an average rank of 402.42.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Quentin Halys has won 37% of deciding sets over the last 12 months, while Stefan Kozlov has won 67% in all matches played on tour.
Break point conversion: In recent form, Quentin Halys has converted 26.05% of breakpoint opportunities, and Stefan Kozlov has converted 38.68% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Quentin Halys vs Stefan Kozlov Editorial Preview By TennisTipster88.

Q. Halys vs S. Kozlov H2H Stats Used In Our Predictions

Q. Halys	Stats	S. Kozlov
1	H2H Matches Won	0
2	Sets Won	0
14	Games Won	11
9	Aces (Total)	6
6	Total Double Faults	8
1:47:35	Average Match Time	1:47:35
60% (55/92)	1st Serve %	74% (60/81)
71% (39/55)	1st Serve Win %	75% (45/60)
59% (22/37)	2nd Serve Win %	38% (8/21)
29% (2/7)	Break Pts Won %	13% (1/8)
35% (28/81)	Return Points Win %	34% (31/92)
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	1st Set Won, Won Match	0% (0/0)
0% (0/1)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

Q. Halys Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Moselle Open - Metz - 03-11-2025
R1 Matteo BerrettiniM. Berrettini	L	6-2 6-4	Stats
Rolex Paris Masters - Paris - 27-10-2025
Q1 Damir DzumhurD. Dzumhur	L	4-6 6-3 6-1	Stats
Swiss Indoors Basel - Basel - 20-10-2025
R1 Casper RuudC. Ruud	L	6-1 7-6(3)	Stats
Q3 Remy BertolaR. Bertola	L	6-4 6-4	Stats
Q1 Alexander ShevchenkoA. Shevchenko	W	6-3 6-7(4) 7-6(2)	Stats

View All

S. Kozlov Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Champaign Challenger - 10-11-2025
SF Cedrik-Marcel StebeC. Stebe	W	6-0 4-0 ret.	Stats
QF Darwin BlanchD. Blanch	W	6-2 6-7(7) 6-3	Stats
R2 Tyler ZinkT. Zink	W	6-3 6-3	Stats
R1 Leo BorgL. Borg	W	6-1 6-0	Stats
Knoxville Challenger - 03-11-2025
R2 Jay ClarkeJ. Clarke	L	6-2 2-6 6-3	Stats

View All

Q. Halys vs S. Kozlov Stats Breakdown Vs All H2H Opponents

Q. Halys	Stats	S. Kozlov
55.40% (426/343)	YTD Win/Loss	56.98% (343/259)
54.91% (1024/841)	Sets Win/Loss	54.19% (769/650)
51.93% (9676/8956)	Games Win/Loss	51.59% (6805/6385)
54.27% (127/107)	Hard Win/Loss	55.33% (166/134)
53.02% (114/101)	Clay Win/Loss	59.23% (77/53)
58.27% (162/116)	Indoor Hard W/L	63.91% (85/48)
54.76% (23/19)	Grass Win/Loss	38.46% (15/24)
0.72	Aces Per Game	0.23
6524	Aces Total	1451
0.36	Double Faults Per Game	0.33
3295	Total Double Faults	2114
1:23:28	Average Match Time	1:35:8
482.04	Average Opponent Rank	564.05
59% (29093/49627)	1st Serve %	61% (23022/37635)
77% (22535/29093)	1st Serve Win %	66% (15251/23022)
48% (9838/20534)	2nd Serve Win %	48% (7063/14613)
38% (1532/3984)	Break Points Won % (Total)	42% (1791/4238)
36% (18123/49983)	Return Points Win %	42% (15887/38168)
49.38% (40/41)	Slam W/L	31.03% (9/20)
36.11% (13/23)	Masters W/L	23.53% (4/13)
100.00% (1/0)	Cups W/L	0% (0/0)
45.80% (60/71)	Main Tour W/L	38.81% (26/41)
57.87% (228/166)	Challenger W/L	58.50% (203/144)
67.20% (84/41)	Futures W/L	71.13% (101/41)
57% (410/716)	Best of 3 Sets Win %	57% (335/584)
33% (13/39)	Best of 5 Sets Win %	45% (5/11)
53% (212/403)	Tiebreaks Win % (Total)	48% (69/145)
48% (135/280)	Deciding Set Win %	61% (129/210)
79% (430/341)	1st Set Won, Won Match	87% (315/275)
20% (430/88)	1st Set Won, Lost Match	12% (315/38)
26% (336/86)	1st Set Lost, Won Match	24% (287/68)