Prediction of Mari Osaka vs Haruka Kaji Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
M. Osaka vs H. Kaji

Mari Osaka

JPN

1

Win

Played

1

Win

Age

Height

Ret.

C. Rank

277

280

Best Rank

213

Total Titles

YTD Titles

$4.1K

Career Money

$50.3K

Plays

Haruka Kaji

JPN

1

Win

Played

1

Win

Age

Height

Ret.

C. Rank

277

280

Best Rank

213

Total Titles

YTD Titles

$4.1K

Career Money

$50.3K

Plays

Head-to-head: Osaka 1 - 1 Kaji

They have played 5 sets in total, with Mari Osaka winning 2 and Haruka Kaji winning 3. The last match between Haruka Kaji and Mari Osaka was at the Hawaii Open - Honolulu, 19-11-2017, Round: Q3, Surface: Hard, with Haruka Kaji getting the victory 6-3 7-5.

Players	Head To Head Match Wins
Osaka	1
Kaji	1

Last 2 H2H Matches:

(Q3) Hawaii Open - Honolulu(11-19-17)

Stats

Haruka Kaji

Mari Osaka

(SF) Goyang(05-27-17)

Stats

Mari Osaka

Haruka Kaji

M. Osaka vs H. Kaji H2H Profile

M. Osaka	Stats	H. Kaji
$4,060	Career Prize Money	$50,325
55.93% (217-171)	Career Total W/L	55.83% (321-254)
1	Hard	1
0	Titles	7
1	Total H2H Matches	1
0% (0-0)	YTD Win/Loss	0% (0-0)

M. Osaka vs H. Kaji Match Preview:

Second serve performance recent form: In recent form (last 6 months), Mari Osaka has won 0% of points on their second serve, while Haruka Kaji has won 37.76%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Mari Osaka, in recent form, has won 0% of their opponent's second serve points, while Haruka Kaji has won 53.01%. The same stats for first serve returns are 0% and 35.88% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Mari Osaka has saved 0% of breakpoints in recent form, whereas Haruka Kaji has saved 44.44% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Mari Osaka has won 0% of matches played (W/L 0/0), with Haruka Kaji winning 51.52% (W/L 34/32) that gives us an overall head-to head prediction overview.
Best surface: Mari Osaka has their best career surface win % on Clay, winning 57% (W/L 86/65), and worse career win % on Grass, winning 33% (W/L 1/2). Haruka Kaji has their best career surface win % on I.hard, winning 57% (W/L 19/15), and worse career win % on Clay, winning 47% (W/L 15/17).
Player level: In the last year, Mari Osaka 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 54.10% of matches (W/L 33/28). 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 2 times before with Mari Osaka winning 1 times and Haruka Kaji being victorious 1 times. They have played 5 sets in total, with Mari Osaka winning 2 and Haruka Kaji winning 3.
The last match between Mari Osaka and Haruka Kaji was at the Hawaii Open - Honolulu, 19-11-2017, Round: Q3, Surface: Hard, with Haruka Kaji getting the victory 6-3 7-5.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:33:36.
Opponent quality stats: Over the last 12 months, Mari Osaka has played against opponents with an average rank of 0 while Haruka Kaji has played against players with an average rank of 367.68.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Mari Osaka has won 0% of deciding sets over the last 12 months, while Haruka Kaji has won 45% in all matches played on tour.
Break point conversion: In recent form, Mari Osaka has converted 0% of breakpoint opportunities, and Haruka Kaji has converted 42.57% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Mari Osaka vs Haruka Kaji Editorial Preview By TennisTipster88.

M. Osaka vs H. Kaji H2H Stats Used In Our Predictions

M. Osaka	Stats	H. Kaji
1	H2H Matches Won	1
2	Sets Won	3
23	Games Won	22
3	Aces (Total)	1
7	Total Double Faults	12
1:33:36	Average Match Time	1:33:36
63% (85/134)	1st Serve %	67% (105/157)
60% (51/85)	1st Serve Win %	63% (66/105)
49% (24/49)	2nd Serve Win %	31% (16/52)
45% (10/22)	Break Pts Won %	69% (9/13)
48% (75/157)	Return Points Win %	44% (59/134)
50% (1/2)	Best‑of‑3 Win %	50% (1/2)
100% (1/1)	Deciding Set Win %	0% (0/1)
100% (1/1)	1st Set Won, Won Match	100% (1/1)
0% (0/1)	1st Set Won, Lost Match	0% (0/1)
0% (0/1)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

M. Osaka Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W60 Rome - 25-01-2021
Q1 Sarah HamnerS. Hamner	L	7-6(3) 6-4	Stats
W25+H Irapuato - 09-03-2020
R2 Nadia PodoroskaN. Podoroska	L	6-0 6-4	Stats
R1 Georgina Garcia-PerezG. Garcia-Perez	W	7-5 7-6(4)	Stats
W25 Rancho Santa Fe - 24-02-2020
R1 Rebecca SramkovaR. Sramkova	L	6-2 6-4	Stats
Q3 Emina BektasE. Bektas	W	6-1 3-6 10-6	Stats

View All

H. Kaji Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W50 Funchal - 10-11-2025
R2 Margaux RouvroyM. Rouvroy	L	6-3 7-6(2)	Stats
R1 Madelief HagemanM. Hageman	W	6-2 6-1	Stats
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

View All

M. Osaka vs H. Kaji Stats Breakdown Vs All H2H Opponents

M. Osaka	Stats	H. Kaji
55.93% (217/171)	YTD Win/Loss	55.83% (321/254)
55.26% (483/391)	Sets Win/Loss	53.30% (695/609)
53.11% (4197/3705)	Games Win/Loss	50.93% (6006/5786)
56.12% (110/86)	Hard Win/Loss	56.06% (236/185)
56.95% (86/65)	Clay Win/Loss	46.88% (15/17)
52.63% (20/18)	Indoor Hard W/L	58.33% (56/40)
33.33% (1/2)	Grass Win/Loss	53.85% (14/12)
0.07	Aces Per Game	0.08
252	Aces Total	445
0.13	Double Faults Per Game	0.2
508	Total Double Faults	1169
1st Match	Average Match Time	1:22:7
572.88	Average Opponent Rank	529.97
63% (6841/10870)	1st Serve %	65% (19650/30345)
61% (4139/6841)	1st Serve Win %	59% (11510/19650)
46% (1866/4028)	2nd Serve Win %	46% (4904/10696)
48% (683/1434)	Break Points Won % (Total)	49% (1900/3872)
47% (5075/10906)	Return Points Win %	46% (14113/30373)
0% (0/0)	Slam W/L	33.33% (1/2)
0.00% (0/1)	Masters W/L	0% (0/0)
12.50% (1/7)	Main Tour W/L	14.29% (2/12)
56.72% (190/145)	Challenger W/L	55.43% (255/205)
59.09% (26/18)	Futures W/L	64.29% (63/35)
56% (215/383)	Best of 3 Sets Win %	55% (310/563)
0% (0/1)	Best of 5 Sets Win %	67% (2/3)
52% (40/77)	Tiebreaks Win % (Total)	56% (60/108)
51% (52/102)	Deciding Set Win %	60% (99/164)
87% (217/188)	1st Set Won, Won Match	87% (299/259)
13% (217/28)	1st Set Won, Lost Match	13% (299/39)
18% (171/30)	1st Set Lost, Won Match	20% (274/56)