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

281

Best Rank

213

Total Titles

Ytd Titles

$919.7K

Career Money

$48.1K

Right-handed (two-handed backhand)

Plays

Haruka Kaji

JPN

2

Win

Played

0

Win

Age

1.70m

Height

C. Rank

281

Best Rank

213

Total Titles

Ytd Titles

$919.7K

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 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
$919,657	Career Prize Money	$48,125
54.47% (250-209)	Career Total W/L	55.71% (312-248)
2	Hard	0
7	Titles	7
2	Total H2H Matches	0
40.00% (12-18)	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 38.30% of points on their second serve, while Haruka Kaji has won 40.22%. 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 50.31% of their opponent's second serve points, while Haruka Kaji has won 51.34%. The same stats for first serve returns are 28.98% and 37.36% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Kimberly Birrell has saved 56.13% of breakpoints in recent form, whereas Haruka Kaji has saved 45.36% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Kimberly Birrell has won 57.97% of matches played (W/L 40/ 29), with Haruka Kaji winning 52.24% (W/L 40/ 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 181/ 134), 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 56% (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 62.96% of matches (W/L 17/ 10), where as Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 55.56% of matches (W/L 35/ 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 160.88 while Haruka Kaji has played against players with an average rank of 372.09.
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 45% of deciding sets over the last 12 months, while Haruka Kaji has won 53% in all matches played on tour.
Break point conversion: In recent form, Kimberly Birrell has converted 37.67% of breakpoint opportunities, and Haruka Kaji has converted 37.95% 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	Avg. 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 Pts Won %	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 → Match Won	0% (0/1)
0% (0/1)	1st Set Won → Match Lost	100% (1/1)
100% (1/1)	1st Set Lost → Match Won	0% (0/1)

Recent Performance Stats

K. Birrell Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
U.S. Open - New York - 25-08-2025
R1 Amanda AnisimovaA. Anisimova	L	6-3 6-2	Stats
Tennis in the Land - Cleveland - 18-08-2025
R1 Anastasia ZakharovaA. Zakharova	L	5-7 6-4 6-3	Stats
Cincinnati Open - Cincinnati - 04-08-2025
R2 Jessica PegulaJ. Pegula	L	6-4 6-3	Stats
R1 Anna BlinkovaA. Blinkova	W	6-2 6-1	Stats
Omnium Banque Nationale - Montreal - 28-07-2025
R1 Victoria MbokoV. Mboko	L	7-5 6-3	Stats

View All

H. Kaji Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W50 Leiria - 01-09-2025
R1 Katherine SebovK. Sebov	L	6-3 6-1	Stats
W35 Heraklion - 25-08-2025
R1 Martyna KubkaM. Kubka	L	6-2 3-6 7-6(5)	Stats
W50 Bistrita - 18-08-2025
R2 Eva Maria IonescuE. Maria	L	6-3 6-4	Stats
R1 Yu-Yun LiY. Li	W	3-6 7-5 3-2 ret.	Stats
W100 Figueira da Foz - 21-07-2025
R1 Gabriela Andrea KnutsonG. Andrea	L	2-6 6-1 6-0	Stats

View All

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

K. Birrell	Stats	H. Kaji
54.47% (250/209)	YTD Win/Loss	55.71% (312/248)
53.28% (576/505)	Sets Win/Loss	53.14% (676/596)
51.47% (5232/4934)	Games Win/Loss	50.91% (5843/5635)
57.46% (181/134)	Hard Win/Loss	55.91% (227/179)
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
790	Aces Total	431
0.35	Double Faults Per Game	0.2
1714	Total Double Faults	1144
1:36:16	Average Match Time	1:21:18
227.54	Average Opponent Rank	526.62
63% (18146/28847)	1st Serve %	65% (18970/29338)
64% (11534/18146)	1st Serve Win %	59% (11107/18970)
45% (4841/10704)	2nd Serve Win %	46% (4755/10369)
45% (1638/3613)	Break Points Won % (Total)	49% (1834/3743)
45% (13197/29523)	Return Points Win %	46% (13626/29334)
42.11% (16/22)	Slam W/L	33.33% (1/2)
46.67% (14/16)	Masters W/L	0% (0/0)
16.67% (1/5)	Cups W/L	0% (0/0)
48.31% (43/46)	Main Tour W/L	8.33% (1/11)
59.48% (160/109)	Challenger W/L	55.26% (247/200)
59.26% (16/11)	Futures W/L	64.29% (63/35)
54% (246/453)	Best of 3 Sets Win %	55% (301/548)
67% (2/3)	Best of 5 Sets Win %	67% (2/3)
48% (57/118)	Tiebreaks Win % (Total)	54% (55/101)
53% (86/163)	Deciding Set Win %	60% (98/162)
85% (239/203)	1st Set Won, Won Match	86% (291/251)
15% (239/36)	1st Set Won, Lost Match	13% (291/39)
21% (220/46)	1st Set Lost, Won Match	21% (267/55)