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

267

Best Rank

213

Total Titles

YTD Titles

$961.0K

Career Money

$50.3K

Right-handed (two-handed backhand)

Plays

Haruka Kaji

JPN

2

Win

Played

0

Win

Age

1.70m

Height

C. Rank

267

Best Rank

213

Total Titles

YTD Titles

$961.0K

Career Money

$50.3K

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
$961,016	Career Prize Money	$50,325
54.55% (258-215)	Career Total W/L	55.83% (321-254)
2	Hard	0
7	Titles	7
2	Total H2H Matches	0
45.95% (17-20)	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 37.05% 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 Kimberly Birrell, in recent form, has won 52.09% of their opponent's second serve points, while Haruka Kaji has won 53.01%. The same stats for first serve returns are 30.10% and 35.88% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Kimberly Birrell has saved 55.02% 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 Kimberly Birrell has won 55.07% of matches played (W/L 38/31), with Haruka Kaji winning 50.75% (W/L 34/33) 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 189/140), 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 53.23% of matches (W/L 33/29). 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 150.36 while Haruka Kaji has played against players with an average rank of 358.19.
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 42% of deciding sets over the last 12 months, while Haruka Kaji has won 42% in all matches played on tour.
Break point conversion: In recent form, Kimberly Birrell has converted 37.69% 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.

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
Billie Jean King Cup, PO, Group E - 10-11-2025
Rubber 1 Matilde JorgeM. Jorge	W	6-4 6-4	Stats
Chennai Open - Chennai - 27-10-2025
F Janice TjenJ. Tjen	L	6-4 6-3	Stats
SF Joanna GarlandJ. Garland	W	6-7(2) 6-3 7-5	Stats
QF Donna VekicD. Vekic	W	6-4 6-0	Stats
R2 Shrivalli Rashmikaa BhamidipatyS. Rashmikaa	W	7-5 7-6(2)	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

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

K. Birrell	Stats	H. Kaji
54.55% (258/215)	YTD Win/Loss	55.83% (321/254)
53.32% (594/520)	Sets Win/Loss	53.30% (695/609)
51.49% (5399/5087)	Games Win/Loss	50.93% (6006/5786)
57.45% (189/140)	Hard Win/Loss	56.06% (236/185)
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
811	Aces Total	445
0.35	Double Faults Per Game	0.2
1797	Total Double Faults	1169
1:36:33	Average Match Time	1:22:7
424.04	Average Opponent Rank	528.5
63% (18687/29701)	1st Serve %	65% (19650/30345)
64% (11892/18687)	1st Serve Win %	59% (11510/19650)
45% (4969/11017)	2nd Serve Win %	46% (4904/10696)
45% (1692/3760)	Break Points Won % (Total)	49% (1900/3872)
45% (13650/30495)	Return Points Win %	46% (14113/30373)
42.11% (16/22)	Slam W/L	33.33% (1/2)
45.45% (15/18)	Masters W/L	0% (0/0)
28.57% (2/5)	Cups W/L	0% (0/0)
50.00% (49/49)	Main Tour W/L	14.29% (2/12)
59.26% (160/110)	Challenger W/L	55.43% (255/205)
59.26% (16/11)	Futures W/L	64.29% (63/35)
54% (254/467)	Best of 3 Sets Win %	55% (310/563)
67% (2/3)	Best of 5 Sets Win %	67% (2/3)
48% (60/124)	Tiebreaks Win % (Total)	56% (60/108)
53% (89/168)	Deciding Set Win %	60% (99/164)
85% (245/208)	1st Set Won, Won Match	87% (299/259)
15% (245/37)	1st Set Won, Lost Match	13% (299/39)
21% (228/49)	1st Set Lost, Won Match	20% (274/56)