Rinon Okuwaki vs Haruka Kaji Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
R. Okuwaki vs H. Kaji

Rinon Okuwaki

JPN

1

Win

Played

0

Win

Age

Height

878

C. Rank

277

532

Best Rank

213

Total Titles

YTD Titles

Career Money

$50.3K

Plays

Haruka Kaji

JPN

1

Win

Played

0

Win

Age

Height

878

C. Rank

277

532

Best Rank

213

Total Titles

YTD Titles

Career Money

$50.3K

Plays

Head-to-head: Okuwaki 1 - 0 Kaji

They have played 2 sets in total, with Rinon Okuwaki winning 2 and Haruka Kaji winning 0. The last match between Rinon Okuwaki and Haruka Kaji was at the W50 Nanao, 27-09-2024, Round: QF, Surface: Carpet, with Rinon Okuwaki getting the victory 7-5 6-4.

Players	Head To Head Match Wins
Okuwaki	1
Kaji	0

Last 1 H2H Matches:

(QF) W50 Nanao(09-27-24)

Stats

Rinon Okuwaki

Haruka Kaji

R. Okuwaki vs H. Kaji H2H Profile

R. Okuwaki	Stats	H. Kaji
$0	Career Prize Money	$50,325
49.71% (86-87)	Career Total W/L	55.83% (321-254)
1	Indoor	0
0	Titles	7
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

R. Okuwaki vs H. Kaji Match Preview:

Second serve performance recent form: In recent form (last 6 months), Rinon Okuwaki has won 41.77% of points on their second serve, while Haruka Kaji has won 37.48%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Rinon Okuwaki, in recent form, has won 47.62% of their opponent's second serve points, while Haruka Kaji has won 52.56%. The same stats for first serve returns are 33.58% and 35.90% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Rinon Okuwaki has saved 40.00% of breakpoints in recent form, whereas Haruka Kaji has saved 44.36% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Rinon Okuwaki has won 34.62% of matches played (W/L 9/17), with Haruka Kaji winning 51.52% (W/L 34/32) that gives us an overall head-to head prediction overview.
Best surface: Rinon Okuwaki has their best career surface win % on Clay, winning 54% (W/L 22/19), and worse career win % on Grass, winning 33% (W/L 1/2). Haruka Kaji has their best career surface win % on I.hard, winning 54% (W/L 19/15), and worse career win % on Clay, winning 47% (W/L 15/17).
Player level: In the last year, Rinon Okuwaki has played most of their matches on the Challengers/ITF tournaments > $10K, winning 37.50% of matches (W/L 6/10), 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 1 times before with Rinon Okuwaki winning 1 times and Haruka Kaji being victorious 0 times. They have played 2 sets in total, with Rinon Okuwaki winning 2 and Haruka Kaji winning 0.
The last match between Rinon Okuwaki and Haruka Kaji was at the W50 Nanao, 27-09-2024, Round: QF, Surface: Carpet, with Rinon Okuwaki getting the victory 7-5 6-4.
Head to head match duration: In past head to head matches, the average match time between these players has been 2:4:0.
Opponent quality stats: Over the last 12 months, Rinon Okuwaki has played against opponents with an average rank of 365.62 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, Rinon Okuwaki has won 29% 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, Rinon Okuwaki has converted 56.25% of breakpoint opportunities, and Haruka Kaji has converted 42.11% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Rinon Okuwaki vs Haruka Kaji Editorial Preview By TennisTipster88.

R. Okuwaki vs H. Kaji H2H Stats Used In Our Predictions

R. Okuwaki	Stats	H. Kaji
1	H2H Matches Won	0
2	Sets Won	0
13	Games Won	9
1	Aces (Total)	0
3	Total Double Faults	6
2:4:0	Average Match Time	2:4:0
59% (47/79)	1st Serve %	65% (50/77)
57% (27/47)	1st Serve Win %	54% (27/50)
50% (16/32)	2nd Serve Win %	37% (10/27)
43% (6/14)	Break Pts Won %	44% (4/9)
52% (40/77)	Return Points Win %	46% (36/79)
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

R. Okuwaki Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W15 Clemson - 10-11-2025
R1 Amelie SmejkalovaA. Smejkalova	L	6-3 6-1	Stats
W15 Sumter - 27-10-2025
R2 Bella Bergkvist LarssonB. Bergkvist	L	6-1 6-2	Stats
R1 Jaedan BrownJ. Brown	W	6-4 6-3	Stats
W15 Hilton Head Island - 20-10-2025
R1 Welles NewmanW. Newman	L	6-1 6-4	Stats
W35 Redding - 06-10-2025
R1 Vivian WolffV. Wolff	L	6-3 6-3	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

R. Okuwaki vs H. Kaji Stats Breakdown Vs All H2H Opponents

R. Okuwaki	Stats	H. Kaji
49.71% (86/87)	YTD Win/Loss	55.83% (321/254)
49.23% (191/197)	Sets Win/Loss	53.30% (695/609)
50.31% (1773/1751)	Games Win/Loss	50.93% (6006/5786)
48.65% (54/57)	Hard Win/Loss	56.06% (236/185)
53.66% (22/19)	Clay Win/Loss	46.88% (15/17)
50.00% (9/9)	Indoor Hard W/L	58.33% (56/40)
33.33% (1/2)	Grass Win/Loss	53.85% (14/12)
0.03	Aces Per Game	0.08
56	Aces Total	445
0.38	Double Faults Per Game	0.2
651	Total Double Faults	1169
1:21:23	Average Match Time	1:22:7
418.68	Average Opponent Rank	529.97
67% (5877/8827)	1st Serve %	65% (19650/30345)
56% (3305/5877)	1st Serve Win %	59% (11510/19650)
41% (1207/2950)	2nd Serve Win %	46% (4904/10696)
51% (587/1162)	Break Points Won % (Total)	49% (1900/3872)
48% (4090/8573)	Return Points Win %	46% (14113/30373)
0% (0/0)	Slam W/L	33.33% (1/2)
0% (0/0)	Main Tour W/L	14.29% (2/12)
49.02% (50/52)	Challenger W/L	55.43% (255/205)
50.70% (36/35)	Futures W/L	64.29% (63/35)
49% (83/170)	Best of 3 Sets Win %	55% (310/563)
0% (0/0)	Best of 5 Sets Win %	67% (2/3)
50% (8/16)	Tiebreaks Win % (Total)	56% (60/108)
51% (23/45)	Deciding Set Win %	60% (99/164)
91% (81/74)	1st Set Won, Won Match	87% (299/259)
9% (81/7)	1st Set Won, Lost Match	13% (299/39)
12% (92/11)	1st Set Lost, Won Match	20% (274/56)