Yasutaka Uchiyama vs Stefan Kozlov Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
Y. Uchiyama vs S. Kozlov

Yasutaka Uchiyama

JPN

2

Win

Played

0

Win

Age

6'0" (183 cm)

Height

6'0" (183 cm)

305

C. Rank

458

Best Rank

103

Total Titles

YTD Titles

$404.7K

Career Money

$372.0K

Right-Handed

Plays

Right-Handed

Stefan Kozlov

USA

2

Win

Played

0

Win

Age

6'0" (183 cm)

Height

6'0" (183 cm)

305

C. Rank

458

Best Rank

103

Total Titles

YTD Titles

$404.7K

Career Money

$372.0K

Right-Handed

Plays

Right-Handed

Head-to-head: Uchiyama 2 - 0 Kozlov

They have played 4 sets in total, with Yasutaka Uchiyama winning 4 and Stefan Kozlov winning 0. The last match between Yasutaka Uchiyama and Stefan Kozlov was at the Cary Challenger, 15-09-2022, Round: R2, Surface: Hard, with Yasutaka Uchiyama getting the victory 6-4 2-0 ret..

Players	Head To Head Match Wins
Uchiyama	2
Kozlov	0

Last 2 H2H Matches:

(R2) Cary Challenger(09-15-22)

Stats

Yasutaka Uchiyama

Stefan Kozlov

(Q1) French Open - Paris(05-22-18)

Stats

Yasutaka Uchiyama

Stefan Kozlov

Y. Uchiyama vs S. Kozlov H2H Profile

Y. Uchiyama	Stats	S. Kozlov
$404,745	Career Prize Money	$371,951
54.94% (467-383)	Career Total W/L	56.91% (342-259)
1	Clay	0
1	Hard	0
16	Titles	10
2	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

Y. Uchiyama vs S. Kozlov Match Preview:

Second serve performance recent form: In recent form (last 6 months), Yasutaka Uchiyama has won 48.58% of points on their second serve, while Stefan Kozlov has won 47.38%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Yasutaka Uchiyama, in recent form, has won 43.04% of their opponent's second serve points, while Stefan Kozlov has won 48.37%. The same stats for first serve returns are 20.72% and 29.54% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Yasutaka Uchiyama has saved 59.83% of breakpoints in recent form, whereas Stefan Kozlov has saved 50.96% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Yasutaka Uchiyama has won 42.00% of matches played (W/L 21/29), with Stefan Kozlov winning 68.57% (W/L 24/11) that gives us an overall head-to head prediction overview.
Best surface: Yasutaka Uchiyama has their best career surface win % on Hard, winning 57% (W/L 342/254), and worse career win % on Grass, winning 37% (W/L 13/22). Stefan Kozlov has their best career surface win % on I.hard, winning 57% (W/L 84/48), and worse career win % on Grass, winning 38% (W/L 15/24).
Player level: In the last year, Yasutaka Uchiyama has played most of their matches on the Challengers/ITF tournaments > $10K, winning 48.57% of matches (W/L 17/18), where as Stefan Kozlov has played most of their matches on the Challengers/ITF tournaments > $10K, winning 66.67% of matches (W/L 18/9). 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 2 times before with Yasutaka Uchiyama winning 2 times and Stefan Kozlov being victorious 0 times. They have played 4 sets in total, with Yasutaka Uchiyama winning 4 and Stefan Kozlov winning 0.
The last match between Yasutaka Uchiyama and Stefan Kozlov was at the Cary Challenger, 15-09-2022, Round: R2, Surface: Hard, with Yasutaka Uchiyama getting the victory 6-4 2-0 ret..
Head to head match duration: In past head to head matches, the average match time between these players has been 1:31:53.
Opponent quality stats: Over the last 12 months, Yasutaka Uchiyama has played against opponents with an average rank of 271.1 while Stefan Kozlov has played against players with an average rank of 402.63.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Yasutaka Uchiyama 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, Yasutaka Uchiyama has converted 27.36% of breakpoint opportunities, and Stefan Kozlov has converted 37.50% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Yasutaka Uchiyama vs Stefan Kozlov Editorial Preview By TennisTipster88.

Y. Uchiyama vs S. Kozlov H2H Stats Used In Our Predictions

Y. Uchiyama	Stats	S. Kozlov
2	H2H Matches Won	0
4	Sets Won	0
21	Games Won	13
7	Aces (Total)	2
3	Total Double Faults	9
1:31:53	Average Match Time	1:31:53
57% (59/104)	1st Serve %	66% (88/133)
76% (45/59)	1st Serve Win %	60% (53/88)
56% (25/45)	2nd Serve Win %	42% (19/45)
33% (6/18)	Break Pts Won %	29% (2/7)
46% (61/133)	Return Points Win %	33% (34/104)
100% (2/2)	Best‑of‑3 Win %	0% (0/2)
100% (2/2)	1st Set Won, Won Match	0% (0/0)
0% (0/2)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/2)

Recent Performance Stats

Y. Uchiyama Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Kobe Challenger - 10-11-2025
R1 Oliver CrawfordO. Crawford	L	6-7(1) 6-4 7-6(7)	Stats
Matsuyama Challenger - 03-11-2025
R2 Hugo GrenierH. Grenier	L	6-7(8) 6-3 6-1	Stats
R1 Kaylan BigunK. Bigun	W	6-4 6-4	Stats
Seoul Challenger - 27-10-2025
R1 Taro DanielT. Daniel	L	7-5 5-7 6-2	Stats
Suzhou Challenger - 20-10-2025
R1 Harold MayotH. Mayot	L	6-4 6-7(6) 7-5	Stats

View All

S. Kozlov Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Champaign Challenger - 10-11-2025
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
R1 Dominique RollandD. Rolland	W	7-6(1) 2-6 6-1	Stats

View All

Y. Uchiyama vs S. Kozlov Stats Breakdown Vs All H2H Opponents

Y. Uchiyama	Stats	S. Kozlov
54.94% (467/383)	YTD Win/Loss	56.91% (342/259)
53.37% (1054/921)	Sets Win/Loss	54.13% (767/650)
51.72% (9923/9262)	Games Win/Loss	51.56% (6795/6385)
57.38% (342/254)	Hard Win/Loss	55.33% (166/134)
54.95% (50/41)	Clay Win/Loss	59.23% (77/53)
48.44% (62/66)	Indoor Hard W/L	63.64% (84/48)
37.14% (13/22)	Grass Win/Loss	38.46% (15/24)
0.45	Aces Per Game	0.23
4208	Aces Total	1450
0.14	Double Faults Per Game	0.33
1285	Total Double Faults	2113
1:13:58	Average Match Time	1:35:12
556.66	Average Opponent Rank	564.33
62% (27416/44224)	1st Serve %	61% (23008/37609)
73% (20002/27416)	1st Serve Win %	66% (15238/23008)
51% (8616/16808)	2nd Serve Win %	48% (7054/14601)
38% (1364/3620)	Break Points Won % (Total)	42% (1786/4227)
36% (16076/44671)	Return Points Win %	42% (15859/38124)
32.65% (16/33)	Slam W/L	31.03% (9/20)
28.57% (4/10)	Masters W/L	23.53% (4/13)
40.00% (2/3)	Cups W/L	0% (0/0)
40.79% (31/45)	Main Tour W/L	38.81% (26/41)
53.77% (257/221)	Challenger W/L	58.38% (202/144)
68.86% (157/71)	Futures W/L	71.13% (101/41)
55% (458/828)	Best of 3 Sets Win %	57% (334/583)
33% (4/12)	Best of 5 Sets Win %	45% (5/11)
48% (158/331)	Tiebreaks Win % (Total)	48% (69/145)
55% (148/269)	Deciding Set Win %	61% (129/210)
85% (452/384)	1st Set Won, Won Match	87% (314/274)
15% (452/67)	1st Set Won, Lost Match	12% (314/38)
20% (398/80)	1st Set Lost, Won Match	24% (287/68)