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

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
H. Kaji vs V. Koval

Haruka Kaji

JPN

0

Win

Played

1

Win

Age

Height

267

C. Rank

Ret.

213

Best Rank

339

Total Titles

YTD Titles

$50.3K

Career Money

$3.8K

Plays

Vlada Koval

RUS

0

Win

Played

1

Win

Age

Height

267

C. Rank

Ret.

213

Best Rank

339

Total Titles

YTD Titles

$50.3K

Career Money

$3.8K

Plays

Head-to-head: Kaji 0 - 1 Koval

They have played 2 sets in total, with Haruka Kaji winning 0 and Vlada Koval winning 2. 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
Kaji	0
Koval	1

Last 1 H2H Matches:

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

Stats

Vlada Koval

Haruka Kaji

H. Kaji vs V. Koval H2H Profile

H. Kaji	Stats	V. Koval
$50,325	Career Prize Money	$3,795
55.92% (321-253)	Career Total W/L	57.81% (137-100)
0	Clay	1
7	Titles	1
0	Total H2H Matches	1
0% (0-0)	YTD Win/Loss	0% (0-0)

H. Kaji vs V. Koval Match Preview:

Second serve performance recent form: In recent form (last 6 months), Haruka Kaji has won 37.56% of points on their second serve, while Vlada Koval has won 0%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Haruka Kaji, in recent form, has won 52.56% of their opponent's second serve points, while Vlada Koval has won 0%. The same stats for first serve returns are 36.20% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Haruka Kaji has saved 43.75% of breakpoints in recent form, whereas Vlada Koval has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Haruka Kaji has won 52.94% of matches played (W/L 36/32), with Vlada Koval winning 0% (W/L 0/0) that gives us an overall head-to head prediction overview.
Best surface: Haruka Kaji has their best career surface win % on I.hard, winning 56% (W/L 19/15), and worse career win % on Clay, winning 47% (W/L 15/17). Vlada Koval has their best career surface win % on Clay, winning 56% (W/L 81/53), and worse career win % on I.hard, winning 52% (W/L 32/29).
Player level: In the last year, Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 55.56% of matches (W/L 35/28), where as Vlada Koval has played most of their matches on the N/A, winning 0% of matches (W/L 0/0). 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 Haruka Kaji winning 0 times and Vlada Koval being victorious 1 times. They have played 2 sets in total, with Haruka Kaji winning 0 and Vlada Koval winning 2.
The last match between Haruka Kaji and Vlada Koval 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, Haruka Kaji has played against opponents with an average rank of 361.25 while Vlada Koval has played against players with an average rank of 0.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Haruka Kaji has won 50% of deciding sets over the last 12 months, while Vlada Koval has won 0% in all matches played on tour.
Break point conversion: In recent form, Haruka Kaji has converted 42.19% of breakpoint opportunities, and Vlada Koval has converted 0% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Haruka Kaji vs Vlada Koval Editorial Preview By TennisTipster88.

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

H. Kaji	Stats	V. Koval
0	H2H Matches Won	1
0	Sets Won	2
5	Games Won	12
1	Aces (Total)	1
3	Total Double Faults	7
1:12:0	Average Match Time	1:12:0
69% (35/51)	1st Serve %	58% (29/50)
49% (17/35)	1st Serve Win %	79% (23/29)
38% (6/16)	2nd Serve Win %	38% (8/21)
50% (2/4)	Break Pts Won %	50% (5/10)
38% (19/50)	Return Points Win %	55% (28/51)
0% (0/1)	Best‑of‑3 Win %	100% (1/1)
0% (0/0)	1st Set Won, Won Match	100% (1/1)
0% (0/0)	1st Set Won, Lost Match	0% (0/1)
0% (0/1)	1st Set Lost, Won Match	0% (0/0)

Recent Performance Stats

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 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 vs V. Koval Stats Breakdown Vs All H2H Opponents

H. Kaji	Stats	V. Koval
55.85% (320/253)	YTD Win/Loss	57.81% (137/100)
53.31% (693/607)	Sets Win/Loss	56.87% (302/229)
50.91% (5985/5770)	Games Win/Loss	53.35% (2577/2253)
56.09% (235/184)	Hard Win/Loss	57.50% (23/17)
46.88% (15/17)	Clay Win/Loss	60.45% (81/53)
58.33% (56/40)	Indoor Hard W/L	52.38% (33/30)
53.85% (14/12)	Grass Win/Loss	0% (0/0)
0.08	Aces Per Game	0.19
445	Aces Total	446
0.2	Double Faults Per Game	0.52
1168	Total Double Faults	1229
1:22:6	Average Match Time	1:16:53
528.41	Average Opponent Rank	576.92
65% (19569/30223)	1st Serve %	60% (7874/13195)
59% (11466/19569)	1st Serve Win %	63% (4949/7874)
46% (4881/10655)	2nd Serve Win %	42% (2227/5326)
49% (1890/3856)	Break Points Won % (Total)	50% (930/1852)
46% (14054/30258)	Return Points Win %	49% (6456/13241)
33.33% (1/2)	Slam W/L	0% (0/0)
14.29% (2/12)	Main Tour W/L	25.00% (1/3)
55.46% (254/204)	Challenger W/L	55.64% (74/59)
64.29% (63/35)	Futures W/L	62.00% (62/38)
55% (309/561)	Best of 3 Sets Win %	58% (137/236)
67% (2/3)	Best of 5 Sets Win %	0% (0/0)
56% (60/107)	Tiebreaks Win % (Total)	55% (21/38)
60% (99/164)	Deciding Set Win %	52% (30/58)
87% (298/258)	1st Set Won, Won Match	89% (141/125)
13% (298/39)	1st Set Won, Lost Match	11% (141/16)
21% (273/56)	1st Set Lost, Won Match	13% (96/12)