Prediction of Vlada Koval vs Haruka Kaji Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
V. Koval vs H. Kaji

Vlada Koval

RUS

1

Win

Played

0

Win

Age

Height

Ret.

C. Rank

252

339

Best Rank

213

Total Titles

YTD Titles

$3.8K

Career Money

$50.3K

Plays

Haruka Kaji

JPN

1

Win

Played

0

Win

Age

Height

Ret.

C. Rank

252

339

Best Rank

213

Total Titles

YTD Titles

$3.8K

Career Money

$50.3K

Plays

Head-to-head: Koval 1 - 0 Kaji

They have played 2 sets in total, with Vlada Koval winning 2 and Haruka Kaji winning 0. The last match between Vlada Koval and Haruka Kaji was at the W25 Koksijde, 10-08-2021, Round: R1, Surface: Clay, with Vlada Koval getting the victory 6-3 6-2.

Players	Head To Head Match Wins
Koval	1
Kaji	0

Last 1 H2H Matches:

(R1) W25 Koksijde(08-10-21)

Stats

Vlada Koval

Haruka Kaji

V. Koval vs H. Kaji H2H Profile

V. Koval	Stats	H. Kaji
$3,795	Career Prize Money	$50,325
57.81% (137-100)	Career Total W/L	55.85% (320-253)
1	Clay	0
1	Titles	7
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

V. Koval vs H. Kaji Match Preview:

Second serve performance recent form: In recent form (last 6 months), Vlada Koval has won 0% of points on their second serve, while Haruka Kaji has won 37.56%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Vlada Koval, in recent form, has won 0% of their opponent's second serve points, while Haruka Kaji has won 52.56%. The same stats for first serve returns are 0% and 36.20% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Vlada Koval has saved 0% of breakpoints in recent form, whereas Haruka Kaji has saved 43.75% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Vlada Koval has won 0% of matches played (W/L 0/0), with Haruka Kaji winning 52.94% (W/L 36/32) that gives us an overall head-to head prediction overview.
Best surface: Vlada Koval has their best career surface win % on Clay, winning 60% (W/L 81/53), and worse career win % on I.hard, winning 52% (W/L 32/29). Haruka Kaji has their best career surface win % on I.hard, winning 60% (W/L 19/15), and worse career win % on Clay, winning 47% (W/L 15/17).
Player level: In the last year, Vlada Koval has played most of their matches on the N/A, winning 0% of matches (W/L 0/0), where as Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 55.56% of matches (W/L 35/28). 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 Vlada Koval winning 1 times and Haruka Kaji being victorious 0 times. They have played 2 sets in total, with Vlada Koval winning 2 and Haruka Kaji winning 0.
The last match between Vlada Koval and Haruka Kaji was at the W25 Koksijde, 10-08-2021, Round: R1, Surface: Clay, with Vlada Koval getting the victory 6-3 6-2.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:12:0.
Opponent quality stats: Over the last 12 months, Vlada Koval has played against opponents with an average rank of 0 while Haruka Kaji has played against players with an average rank of 363.25.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Vlada Koval has won 0% of deciding sets over the last 12 months, while Haruka Kaji has won 50% in all matches played on tour.
Break point conversion: In recent form, Vlada Koval has converted 0% of breakpoint opportunities, and Haruka Kaji has converted 42.19% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Vlada Koval vs Haruka Kaji Editorial Preview By TennisTipster88.

V. Koval vs H. Kaji H2H Stats Used In Our Predictions

V. Koval	Stats	H. Kaji
1	H2H Matches Won	0
2	Sets Won	0
12	Games Won	5
1	Aces (Total)	1
7	Total Double Faults	3
1:12:0	Average Match Time	1:12:0
58% (29/50)	1st Serve %	69% (35/51)
79% (23/29)	1st Serve Win %	49% (17/35)
38% (8/21)	2nd Serve Win %	38% (6/16)
50% (5/10)	Break Pts Won %	50% (2/4)
55% (28/51)	Return Points Win %	38% (19/50)
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

V. Koval Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W60 Vrnjacka Banja - 19-09-2022
Q1 Evialina LaskevichE. Laskevich	L	6-2 6-4	Stats
W60 Montreux - 05-09-2022
Q3 Verena MelissV. Meliss	L	6-2 6-2	Stats
Q1 Katerina TsygourovaK. Tsygourova	W	6-1 6-3	Stats
W15 Haren - 29-08-2022
R1 Anouck Vrancken PeetersA. Vrancken	L	6-1 6-4	Stats
W60 Grado - 23-05-2022
Q3 Lisa PigatoL. Pigato	L	6-2 7-5	Stats

View All

H. Kaji Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W35 Faro - 03-11-2025
R2 Melisa ErcanM. Ercan	L	6-2 6-4	Stats
R1 Lea NilssonL. Nilsson	W	7-6(1) 6-1	Stats
Hong Kong Tennis Open - Hong Kong - 27-10-2025
Q3 Kristiana SidorovaK. Sidorova	L	6-1 6-2	Stats
Q1 Kallista LiuK. Liu	W	7-6(4) 6-4	Stats
WTA 125 Jinan Open - Jinan - 13-10-2025
R2 Xinyu GaoX. Gao	L	6-3 6-3	Stats

View All

V. Koval vs H. Kaji Stats Breakdown Vs All H2H Opponents

V. Koval	Stats	H. Kaji
57.81% (137/100)	YTD Win/Loss	55.85% (320/253)
56.87% (302/229)	Sets Win/Loss	53.31% (693/607)
53.35% (2577/2253)	Games Win/Loss	50.91% (5985/5770)
57.50% (23/17)	Hard Win/Loss	56.09% (235/184)
60.45% (81/53)	Clay Win/Loss	46.88% (15/17)
52.38% (33/30)	Indoor Hard W/L	58.33% (56/40)
0% (0/0)	Grass Win/Loss	53.85% (14/12)
0.19	Aces Per Game	0.08
446	Aces Total	445
0.52	Double Faults Per Game	0.2
1229	Total Double Faults	1168
1:16:53	Average Match Time	1:22:6
577	Average Opponent Rank	529.97
60% (7874/13195)	1st Serve %	65% (19569/30223)
63% (4949/7874)	1st Serve Win %	59% (11466/19569)
42% (2227/5326)	2nd Serve Win %	46% (4881/10655)
50% (930/1852)	Break Points Won % (Total)	49% (1890/3856)
49% (6456/13241)	Return Points Win %	46% (14054/30258)
0% (0/0)	Slam W/L	33.33% (1/2)
25.00% (1/3)	Main Tour W/L	14.29% (2/12)
55.64% (74/59)	Challenger W/L	55.46% (254/204)
62.00% (62/38)	Futures W/L	64.29% (63/35)
58% (137/236)	Best of 3 Sets Win %	55% (309/561)
0% (0/0)	Best of 5 Sets Win %	67% (2/3)
55% (21/38)	Tiebreaks Win % (Total)	56% (60/107)
52% (30/58)	Deciding Set Win %	60% (99/164)
89% (141/125)	1st Set Won, Won Match	87% (298/258)
11% (141/16)	1st Set Won, Lost Match	13% (298/39)
13% (96/12)	1st Set Lost, Won Match	21% (273/56)