Kimberly Birrell vs Haruka Kaji Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
K. Birrell vs H. Kaji
Kimberly Birrell
AUS
w
w
w
l
w
w
w
w
w
l
2
Win
2
Played
0
Win
27
Age
31
1.70m
Height
-
98
C. Rank
304
60
Best Rank
213
0
Total Titles
0
0
YTD Titles
0
$961.0K
Career Money
$50.3K
Right-handed (two-handed backhand)
Plays
-
Haruka Kaji
JPN
w
l
w
l
w
l
w
l
l
l
2
Win
2
Played
0
Win
27
Age
31
1.70m
Height
-
98
C. Rank
304
60
Best Rank
213
0
Total Titles
0
0
YTD Titles
0
$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)
Kimberly Birrell
1
6
6
Haruka Kaji
6
3
2
(R2) Brisbane(10-04-18)
Kimberly Birrell
6
2
7
Haruka Kaji
2
6
6
K. Birrell vs H. Kaji H2H Profile
| Stats | ||
|---|---|---|
| $961,016 | Career Prize Money | $50,325 |
| 54.81% (262-216) | Career Total W/L | 55.63% (321-256) |
| 2 | Hard | 0 |
| 7 | Titles | 7 |
| 2 | Total H2H Matches | 0 |
| 47.37% (18-20) | 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 38.06% of points on their second serve, while Haruka Kaji has won 38.77%. 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 53.80% of their opponent's second serve points, while Haruka Kaji has won 52.08%. The same stats for first serve returns are 29.92% and 35.73% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Kimberly Birrell has saved 55.45% of breakpoints in recent form, whereas Haruka Kaji has saved 45.78% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Kimberly Birrell has won 58.57% of matches played (W/L 41/29), with Haruka Kaji winning 47.54% (W/L 29/32) that gives us an overall head-to head prediction overview.
- Best surface: Kimberly Birrell has their best career surface win % on Hard, winning 58% (W/L 193/141), 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 58% (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 50.00% of matches (W/L 28/28). 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 162.76 while Haruka Kaji has played against players with an average rank of 355.7.
- 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 48% 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, Kimberly Birrell has converted 38.58% of breakpoint opportunities, and Haruka Kaji has converted 45.29% 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
| Stats | ||
|---|---|---|
| 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
2nd Serve Win %: Birrell 46%, Kaji 46%.
Opp 2nd Serve Pts Won: Birrell 56%, Kaji 57%.
Break Points Saved %: Birrell 55%, Kaji 54%.
K. Birrell Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| W75 Sydney - 17-11-2025 | ||||
SF Talia GibsonT. Gibson | L | 6-4 3-6 6-3 | ||
QF  Ya-Yi YangY. Yang | W | 6-3 6-2 | ||
R2 Miho KuramochiM. Kuramochi | W | 7-6(5) 6-1 | ||
R1  Lea MaL. Ma | W | 7-5 6-2 | ||
| Billie Jean King Cup, PO, Group E - 10-11-2025 | ||||
Rubber 1  Nauhany Vitoria Leme Da SilvaN. Vitoria | W | 6-4 3-6 6-1 | ||
H. Kaji Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| W50 Yokohama - 24-11-2025 | ||||
R1  Darya AstakhovaD. Astakhova | L | 6-1 6-1 | ||
| W100 Takasaki - 17-11-2025 | ||||
R1  Shuai ZhangS. Zhang | L | 6-4 6-3 | ||
| W50 Funchal - 10-11-2025 | ||||
R2  Margaux RouvroyM. Rouvroy | L | 6-3 7-6(2) | ||
R1  Madelief HagemanM. Hageman | W | 6-2 6-1 | ||
| W35 Faro - 03-11-2025 | ||||
R2  Melisa ErcanM. Ercan | L | 6-2 6-4 | ||
K. Birrell vs H. Kaji Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 54.81% (262/216) | YTD Win/Loss | 55.63% (321/256) |
| 53.55% (603/523) | Sets Win/Loss | 53.13% (695/613) |
| 51.57% (5465/5132) | Games Win/Loss | 50.87% (6015/5810) |
| 57.78% (193/141) | Hard Win/Loss | 55.79% (236/187) |
| 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 |
| 824 | Aces Total | 446 |
| 0.35 | Double Faults Per Game | 0.2 |
| 1820 | Total Double Faults | 1173 |
| 1:36:27 | Average Match Time | 1:22:5 |
| 428.1 | Average Opponent Rank | 531.92 |
| 63% (18880/30010) | 1st Serve % | 65% (19732/30455) |
| 64% (12028/18880) | 1st Serve Win % | 59% (11546/19732) |
| 45% (5023/11133) | 2nd Serve Win % | 46% (4917/10724) |
| 45% (1709/3795) | Break Points Won % (Total) | 49% (1903/3878) |
| 45% (13784/30782) | Return Points Win % | 46% (14142/30463) |
| 42.11% (16/22) | Slam W/L | 33.33% (1/2) |
| 45.45% (15/18) | Masters W/L | 0% (0/0) |
| 37.50% (3/5) | Cups W/L | 0% (0/0) |
| 50.00% (49/49) | Main Tour W/L | 14.29% (2/12) |
| 59.49% (163/111) | Challenger W/L | 55.19% (255/207) |
| 59.26% (16/11) | Futures W/L | 64.29% (63/35) |
| 55% (258/472) | Best of 3 Sets Win % | 55% (310/565) |
| 67% (2/3) | Best of 5 Sets Win % | 67% (2/3) |
| 49% (61/125) | Tiebreaks Win % (Total) | 56% (60/108) |
| 53% (90/170) | Deciding Set Win % | 60% (99/164) |
| 85% (249/212) | 1st Set Won, Won Match | 87% (299/259) |
| 15% (249/37) | 1st Set Won, Lost Match | 13% (299/39) |
| 21% (229/49) | 1st Set Lost, Won Match | 20% (276/56) |
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