Kimberly Birrell vs Haruka Kaji Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
K. Birrell vs H. Kaji

Kimberly Birrell

AUS

2

Win

Played

0

Win

Age

1.70m

Height

C. Rank

262

Best Rank

213

Total Titles

YTD Titles

$931.9K

Career Money

$48.1K

Right-handed (two-handed backhand)

Plays

Haruka Kaji

JPN

2

Win

Played

0

Win

Age

1.70m

Height

C. Rank

262

Best Rank

213

Total Titles

YTD Titles

$931.9K

Career Money

$48.1K

Right-handed (two-handed backhand)

Plays

Head-to-head: Birrell 2 - 0 Kaji

They have played 6 sets in total, with Kimberly Birrell winning 4 and Haruka Kaji winning 2. The last match between Kimberly Birrell and Haruka Kaji was at the W100 Tokyo, 24-04-2024, Round: R1, Surface: Hard, with Kimberly Birrell getting the victory 1-6 6-3 6-2.

Players	Head To Head Match Wins
Birrell	2
Kaji	0

Last 2 H2H Matches:

(R1) W100 Tokyo(04-24-24)

Stats

Kimberly Birrell

Haruka Kaji

(R2) Brisbane(10-04-18)

Stats

Kimberly Birrell

Haruka Kaji

K. Birrell vs H. Kaji H2H Profile

K. Birrell	Stats	H. Kaji
$931,907	Career Prize Money	$48,125
54.19% (252-213)	Career Total W/L	55.99% (318-250)
2	Hard	0
7	Titles	7
2	Total H2H Matches	0
38.71% (12-19)	YTD Win/Loss	0% (0-0)

K. Birrell vs H. Kaji Match Preview:

Second serve performance recent form: In recent form (last 6 months), Kimberly Birrell has won 37.63% of points on their second serve, while Haruka Kaji has won 39.42%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Kimberly Birrell, in recent form, has won 51.19% of their opponent's second serve points, while Haruka Kaji has won 54.49%. The same stats for first serve returns are 31.09% and 36.25% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Kimberly Birrell has saved 54.69% of breakpoints in recent form, whereas Haruka Kaji has saved 46.50% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Kimberly Birrell has won 54.41% of matches played (W/L 37/31), with Haruka Kaji winning 54.93% (W/L 39/32) that gives us an overall head-to head prediction overview.
Best surface: Kimberly Birrell has their best career surface win % on Hard, winning 57% (W/L 183/138), and worse career win % on I.hard, winning 27% (W/L 4/11). 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, Kimberly Birrell has played most of their matches on the Main tour, winning 59.26% of matches (W/L 16/11), where as Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 58.21% of matches (W/L 39/28). 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 Kimberly Birrell winning 2 times and Haruka Kaji being victorious 0 times. They have played 6 sets in total, with Kimberly Birrell winning 4 and Haruka Kaji winning 2.
The last match between Kimberly Birrell and Haruka Kaji was at the W100 Tokyo, 24-04-2024, Round: R1, Surface: Hard, with Kimberly Birrell getting the victory 1-6 6-3 6-2.
Head to head match duration: In past head to head matches, the average match time between these players has been 2:24:0.
Opponent quality stats: Over the last 12 months, Kimberly Birrell has played against opponents with an average rank of 150.41 while Haruka Kaji has played against players with an average rank of 369.51.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Kimberly Birrell has won 35% 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, Kimberly Birrell has converted 37.89% of breakpoint opportunities, and Haruka Kaji has converted 42.17% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Kimberly Birrell vs Haruka Kaji Editorial Preview By TennisTipster88.

K. Birrell vs H. Kaji H2H Stats Used In Our Predictions

K. Birrell	Stats	H. Kaji
2	H2H Matches Won	0
4	Sets Won	2
28	Games Won	25
4	Aces (Total)	5
17	Total Double Faults	5
2:24:0	Average Match Time	2:24:0
59% (100/169)	1st Serve %	62% (100/161)
60% (60/100)	1st Serve Win %	57% (57/100)
43% (30/69)	2nd Serve Win %	49% (30/61)
58% (11/19)	Break Pts Won %	50% (10/20)
46% (74/161)	Return Points Win %	47% (79/169)
100% (2/2)	Best‑of‑3 Win %	0% (0/2)
100% (2/2)	Deciding Set Win %	0% (0/2)
100% (1/1)	1st Set Won, Won Match	0% (0/1)
0% (0/1)	1st Set Won, Lost Match	100% (1/1)
100% (1/1)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

K. Birrell Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Japan Open - Osaka - 13-10-2025
Q3 Katie VolynetsK. Volynets	L	6-4 6-3	Stats
Q1 Mai HontamaM. Hontama	W	6-1 7-6(5)	Stats
Wuhan Open - Wuhan - 06-10-2025
Q3 Lucia BronzettiL. Bronzetti	L	6-3 4-6 6-4	Stats
Q1 Suzan LamensS. Lamens	W	6-1 6-2	Stats
Suzhou WTA 125 - Suzhou - 29-09-2025
R1 Kyoka OkamuraK. Okamura	L	6-2 6-4	Stats

View All

H. Kaji Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
WTA 125 Jinan Open - Jinan - 13-10-2025
R1 Yufei RenY. Ren	W	4-6 6-2 7-5	Stats
W35 Kunshan - 06-10-2025
QF Carol Young Suh LeeC. Young	L	6-3 2-6 7-6(5)	Stats
R2 Katarina ZavatskaK. Zavatska	W	7-6(2) 6-1	Stats
R1 Ying ZhangY. Zhang	W	7-6(4) 6-4	Stats
W100 Incheon - 22-09-2025
SF Eunhye LeeE. Lee	L	7-5 6-1	Stats

View All

K. Birrell vs H. Kaji Stats Breakdown Vs All H2H Opponents

K. Birrell	Stats	H. Kaji
54.19% (252/213)	YTD Win/Loss	55.99% (318/250)
53.11% (581/513)	Sets Win/Loss	53.41% (689/601)
51.43% (5292/4997)	Games Win/Loss	50.97% (5944/5717)
57.01% (183/138)	Hard Win/Loss	56.28% (233/181)
40.38% (21/31)	Clay Win/Loss	46.88% (15/17)
51.72% (15/14)	Indoor Hard W/L	58.33% (56/40)
52.38% (33/30)	Grass Win/Loss	53.85% (14/12)
0.16	Aces Per Game	0.08
800	Aces Total	438
0.35	Double Faults Per Game	0.2
1765	Total Double Faults	1158
1:36:28	Average Match Time	1:21:55
418.25	Average Opponent Rank	526.56
63% (18396/29256)	1st Serve %	65% (19356/29919)
64% (11686/18396)	1st Serve Win %	59% (11339/19356)
45% (4902/10863)	2nd Serve Win %	46% (4847/10564)
45% (1666/3681)	Break Points Won % (Total)	49% (1876/3824)
45% (13406/29961)	Return Points Win %	46% (13915/29934)
42.11% (16/22)	Slam W/L	33.33% (1/2)
45.45% (15/18)	Masters W/L	0% (0/0)
16.67% (1/5)	Cups W/L	0% (0/0)
48.35% (44/47)	Main Tour W/L	8.33% (1/11)
59.26% (160/110)	Challenger W/L	55.60% (253/202)
59.26% (16/11)	Futures W/L	64.29% (63/35)
54% (248/459)	Best of 3 Sets Win %	55% (307/556)
67% (2/3)	Best of 5 Sets Win %	67% (2/3)
48% (58/120)	Tiebreaks Win % (Total)	55% (58/105)
52% (86/164)	Deciding Set Win %	60% (99/164)
85% (241/205)	1st Set Won, Won Match	86% (296/256)
15% (241/36)	1st Set Won, Lost Match	13% (296/39)
21% (224/46)	1st Set Lost, Won Match	21% (270/56)