Kaichi Uchida vs Stefan Kozlov Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
K. Uchida vs S. Kozlov

Kaichi Uchida

JPN

1

Win

Played

1

Win

Age

Height

6'0" (183 cm)

309

C. Rank

458

147

Best Rank

103

Total Titles

YTD Titles

$119.3K

Career Money

$372.0K

Right-Handed

Plays

Right-Handed

Stefan Kozlov

USA

1

Win

Played

1

Win

Age

Height

6'0" (183 cm)

309

C. Rank

458

147

Best Rank

103

Total Titles

YTD Titles

$119.3K

Career Money

$372.0K

Right-Handed

Plays

Right-Handed

Head-to-head: Uchida 1 - 1 Kozlov

They have played 5 sets in total, with Kaichi Uchida winning 3 and Stefan Kozlov winning 2. The last match between Kaichi Uchida and Stefan Kozlov was at the Aptos Challenger, 06-08-2018, Round: R1, Surface: Hard, with Kaichi Uchida getting the victory 6-4 6-1.

Players	Head To Head Match Wins
Uchida	1
Kozlov	1

Last 2 H2H Matches:

(R1) Aptos Challenger(08-06-18)

Stats

Kaichi Uchida

Stefan Kozlov

(R2) Canada F1(03-03-16)

Stats

Stefan Kozlov

Kaichi Uchida

K. Uchida vs S. Kozlov H2H Profile

K. Uchida	Stats	S. Kozlov
$119,255	Career Prize Money	$371,951
51.79% (434-404)	Career Total W/L	56.76% (340-259)
1	Hard	0
0	Indoor	1
15	Titles	10
1	Total H2H Matches	1
0% (0-0)	YTD Win/Loss	0% (0-0)

K. Uchida vs S. Kozlov Match Preview:

Second serve performance recent form: In recent form (last 6 months), Kaichi Uchida has won 43.57% of points on their second serve, while Stefan Kozlov has won 45.88%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Kaichi Uchida, in recent form, has won 44.27% of their opponent's second serve points, while Stefan Kozlov has won 48.95%. The same stats for first serve returns are 24.23% and 29.69% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Kaichi Uchida has saved 55.19% 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 Kaichi Uchida has won 58.90% of matches played (W/L 43/30), with Stefan Kozlov winning 66.67% (W/L 22/11) that gives us an overall head-to head prediction overview.
Best surface: Kaichi Uchida has their best career surface win % on Clay, winning 56% (W/L 127/100), and worse career win % on Hard, winning 50% (W/L 249/246). Stefan Kozlov has their best career surface win % on I.hard, winning 56% (W/L 82/48), and worse career win % on Grass, winning 38% (W/L 15/24).
Player level: In the last year, Kaichi Uchida has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 65.12% of matches (W/L 28/15), where as Stefan Kozlov has played most of their matches on the Challengers/ITF tournaments > $10K, winning 64.00% of matches (W/L 16/9). 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 Kaichi Uchida winning 1 times and Stefan Kozlov being victorious 1 times. They have played 5 sets in total, with Kaichi Uchida winning 3 and Stefan Kozlov winning 2.
The last match between Kaichi Uchida and Stefan Kozlov was at the Aptos Challenger, 06-08-2018, Round: R1, Surface: Hard, with Kaichi Uchida getting the victory 6-4 6-1.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:44:56.
Opponent quality stats: Over the last 12 months, Kaichi Uchida has played against opponents with an average rank of 437.03 while Stefan Kozlov has played against players with an average rank of 409.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Kaichi Uchida has won 58% 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, Kaichi Uchida has converted 28.89% of breakpoint opportunities, and Stefan Kozlov has converted 37.96% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Kaichi Uchida vs Stefan Kozlov Editorial Preview By TennisTipster88.

K. Uchida vs S. Kozlov H2H Stats Used In Our Predictions

K. Uchida	Stats	S. Kozlov
1	H2H Matches Won	1
3	Sets Won	2
24	Games Won	21
5	Aces (Total)	7
3	Total Double Faults	12
1:44:56	Average Match Time	1:44:56
53% (79/149)	1st Serve %	47% (62/132)
68% (54/79)	1st Serve Win %	60% (37/62)
39% (27/70)	2nd Serve Win %	44% (31/70)
63% (10/16)	Break Pts Won %	45% (9/20)
48% (64/132)	Return Points Win %	46% (68/149)
50% (1/2)	Best‑of‑3 Win %	50% (1/2)
0% (0/1)	Deciding Set Win %	100% (1/1)
50% (1/2)	1st Set Won, Won Match	0% (0/0)
50% (1/2)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	50% (1/2)

Recent Performance Stats

K. Uchida Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Kobe Challenger - 10-11-2025
R1 Yusuke TakahashiY. Takahashi	W	4-6 6-3 6-4	Stats
Taipei Challenger - 03-11-2025
QF James DuckworthJ. Duckworth	L	6-3 7-6(2)	Stats
R2 Yuta ShimizuY. Shimizu	W	6-1 6-2	Stats
R1 Mukund SasikumarM. Sasikumar	W	7-6(5) 6-2	Stats
Seoul Challenger - 27-10-2025
Q1 Yunseong ChungY. Chung	L	4-6 6-3 6-4	Stats

View All

S. Kozlov Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Champaign Challenger - 10-11-2025
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
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

View All

K. Uchida vs S. Kozlov Stats Breakdown Vs All H2H Opponents

K. Uchida	Stats	S. Kozlov
51.79% (434/404)	YTD Win/Loss	56.76% (340/259)
51.44% (1000/944)	Sets Win/Loss	54.04% (763/649)
50.52% (9332/9139)	Games Win/Loss	51.52% (6765/6367)
50.30% (249/246)	Hard Win/Loss	55.33% (166/134)
55.95% (127/100)	Clay Win/Loss	59.23% (77/53)
50.00% (56/56)	Indoor Hard W/L	63.08% (82/48)
50.00% (2/2)	Grass Win/Loss	38.46% (15/24)
0.32	Aces Per Game	0.23
2865	Aces Total	1442
0.22	Double Faults Per Game	0.33
2029	Total Double Faults	2109
1:19:44	Average Match Time	1:35:9
548.08	Average Opponent Rank	565.22
59% (28338/48000)	1st Serve %	61% (22913/37464)
70% (19917/28338)	1st Serve Win %	66% (15166/22913)
49% (9683/19662)	2nd Serve Win %	48% (7023/14551)
42% (1907/4557)	Break Points Won % (Total)	42% (1778/4208)
39% (18697/48267)	Return Points Win %	42% (15788/37963)
20.00% (2/8)	Slam W/L	31.03% (9/20)
25.00% (1/3)	Masters W/L	23.53% (4/13)
100.00% (2/0)	Cups W/L	0% (0/0)
36.36% (4/7)	Main Tour W/L	38.81% (26/41)
42.67% (166/223)	Challenger W/L	58.14% (200/144)
61.37% (259/163)	Futures W/L	71.13% (101/41)
51% (427/830)	Best of 3 Sets Win %	57% (332/581)
100% (2/2)	Best of 5 Sets Win %	45% (5/11)
50% (142/284)	Tiebreaks Win % (Total)	48% (69/144)
49% (135/273)	Deciding Set Win %	61% (128/209)
83% (431/358)	1st Set Won, Won Match	87% (312/272)
17% (431/73)	1st Set Won, Lost Match	12% (312/38)
18% (406/75)	1st Set Lost, Won Match	24% (287/68)