HK
WTA · Rank #259
WTA · Rank #259
Haruka Kaji
31yrs
#213Peak Rank
60.5%Accuracy
43
Matches Analyzed
Recent Form
WLWLW
Recent & Upcoming
Tap a match for full analysis
H. Kaji vs H. Shi, ITF Women - W75 Tianjin, 03:00, Finished. Match winner odds: 3.35 for H. Kaji, 1.34 for H. Shi. AI winner pick: H. Shi, odds 1.34, confidence 4.9 out of 10. This tip won. Predicted score: 4-6, 2-6. Best AI tip: H. Shi, odds 1.34, confidence 4.9 out of 10. This tip won.
H. Kaji
H. Shi
H. Kaji vs Y. Ren, ITF Women - W75 Tianjin, 04:44, Finished. Match winner odds: 2.4 for H. Kaji, 1.62 for Y. Ren. AI winner pick: Y. Ren, odds 1.62, confidence 1.9 out of 10. This tip lost. Predicted score: 4-6, 6-4, 2-6. Best AI tip: O20.5, odds 1.85, confidence 7.1 out of 10. This tip lost.
H. Kaji
Y. Ren
03:00
Finished
0300
H. Kaji
H. Shi
1
2
▴3.35
▾1.34
2
▾1.34
4626
2
▾1.34
4.9/10
04:44
Finished
0444
H. Kaji
Y. Ren
2
0
▴2.4
▾1.62
2
▾1.62
466426
O20.5
▾1.85
7.1/10
H. Kaji vs E. Milovanović, ITF Women - W50 Kursumlijska Banja, 12:00, Finished. Match winner odds: 1.78 for H. Kaji, 2.1 for E. Milovanović. AI winner pick: E. Milovanović, odds 2.1, confidence 2.3 out of 10. This tip won. Predicted score: 5-7, 6-2, 0-6. Best AI tip: O19.5, odds 1.62, confidence 6.2 out of 10. This tip won.
H. Kaji
E. Milovanović
H. Kaji vs A. Hesse, ITF Women - W50 Kursumlijska Banja, 08:30, Finished. Match winner odds: 2.19 for H. Kaji, 1.65 for A. Hesse. AI winner pick: A. Hesse, odds 1.65, confidence 3.3 out of 10. This tip lost. Predicted score: 1-6, 6-3, 4-6. Best AI tip: A. Hesse, odds 1.65, confidence 3.3 out of 10. This tip lost.
H. Kaji
A. Hesse
12:00
Finished
1200
H. Kaji
E. Milovanović
1
2
▾1.78
2.1
2
2.1
576206
O19.5
1.62
6.2/10
08:30
Finished
0830
H. Kaji
A. Hesse
2
0
▴2.19
▾1.65
2
▾1.65
166346
2
▾1.65
3.3/10
J. Pareja vs H. Kaji, ITF Women - W50 Columbus, OH, 15:00, Finished. Match winner odds: 1.35 for J. Pareja, 3.15 for H. Kaji. AI winner pick: J. Pareja, odds 1.35, confidence 2.6 out of 10. This tip won. Predicted score: 6-3, 6-3. Best AI tip: J. Pareja, odds 1.35, confidence 2.6 out of 10. This tip won.
J. Pareja
H. Kaji
C. McNeil vs H. Kaji, ITF Women - W50 Columbus, OH, 15:03, Finished. Match winner odds: 4.5 for C. McNeil, 1.18 for H. Kaji. AI winner pick: H. Kaji, odds 1.18, confidence 4.0 out of 10. This tip won. Predicted score: 2-6, 4-6. Best AI tip: H. Kaji, odds 1.18, confidence 4.0 out of 10. This tip won.
C. McNeil
H. Kaji
S. Johnson vs H. Kaji, ITF Women - W50 Columbus, OH, 20:50, Finished. Match winner odds: 1.73 for S. Johnson, 2.1 for H. Kaji. AI winner pick: S. Johnson, odds 1.73, confidence 2.8 out of 10. This tip lost. Predicted score: 2-6, 6-2, 6-4. Best AI tip: O20.5, odds 1.8, confidence 5.0 out of 10. This tip lost.
S. Johnson
H. Kaji
15:00
Finished
1500
J. Pareja
H. Kaji
2
0
▾1.35
▴3.15
1
▾1.35
6363
1
▾1.35
2.6/10
15:03
Finished
1503
C. McNeil
H. Kaji
1
2
▾4.5
▴1.18
2
▴1.18
2646
2
▴1.18
4.0/10
20:50
Finished
2050
S. Johnson
H. Kaji
0
2
▾1.73
▴2.1
1
▾1.73
266264
O20.5
▴1.8
5.0/10
D. Back vs H. Kaji, ITF Women - W35 Taipei, 03:00, Finished. Match winner odds: 1.42 for D. Back, 2.68 for H. Kaji. AI winner pick: D. Back, odds 1.42, confidence 3.0 out of 10. This tip won. Predicted score: 6-2, 6-4. Best AI tip: D. Back, odds 1.42, confidence 3.0 out of 10. This tip won.
D. Back
H. Kaji
H. Kaji vs Y. Kitahara, ITF Women - W35 Taipei, 03:00, Finished. Match winner odds: 1.21 for H. Kaji, 4.3 for Y. Kitahara. AI winner pick: Y. Kitahara, odds 4.3, confidence 2.1 out of 10. This tip lost. Predicted score: 6-1, 3-6, 6-7. Best AI tip: O18.5, odds 1.77, confidence 6.0 out of 10. This tip lost.
H. Kaji
Y. Kitahara
H. Sato vs H. Kaji, ITF Women - W35 Taipei, 02:30, Finished. Match winner odds: 2.2 for H. Sato, 1.66 for H. Kaji. AI winner pick: H. Sato, odds 2.2, confidence 1.5 out of 10. This tip lost. Predicted score: 6-2, 6-4. Best AI tip: U21.5, odds 1.77, confidence 4.3 out of 10. This tip lost.
H. Sato
H. Kaji
03:00
Finished
0300
D. Back
H. Kaji
2
0
▾1.42
▴2.68
1
▾1.42
6264
1
▾1.42
3.0/10
03:00
Finished
0300
H. Kaji
Y. Kitahara
2
0
1.21
4.3
2
4.3
613667
O18.5
▴1.77
6.0/10
02:30
Finished
0230
H. Sato
H. Kaji
0
2
▾2.2
▴1.66
1
▾2.2
6264
U21.5
▾1.77
4.3/10
H. Kaji vs V. Ryser, ITF Women - W100 Takasaki, 04:30, Finished. Match winner odds: 2.25 for H. Kaji, 1.72 for V. Ryser. AI winner pick: V. Ryser, odds 1.72, confidence 2.4 out of 10. This tip won. Predicted score: 4-6, 3-6. Best AI tip: U22.5, odds 1.7, confidence 2.4 out of 10. This tip won.
H. Kaji
V. Ryser
H. Kaji vs F. Tian, ITF Women - W100 Takasaki, 06:11, Finished. Match winner odds: 2.55 for H. Kaji, 1.47 for F. Tian. AI winner pick: F. Tian, odds 1.47, confidence 6.2 out of 10. This tip lost. Predicted score: 3-6, 2-6. Best AI tip: F. Tian, odds 1.47, confidence 6.2 out of 10. This tip lost.
H. Kaji
F. Tian
H. Kaji vs M. Matsuda, ITF Women - W100 Takasaki, 02:00, Finished. Match winner odds: 1.9 for H. Kaji, 1.83 for M. Matsuda. AI winner pick: M. Matsuda, odds 1.83, confidence 3.9 out of 10. This tip lost. Predicted score: 2-6, 3-6. Best AI tip: M. Matsuda, odds 1.83, confidence 3.9 out of 10. This tip lost.
H. Kaji
M. Matsuda
04:30
Finished
0430
H. Kaji
V. Ryser
0
2
▾2.25
▴1.72
2
▴1.72
4636
U22.5
▴1.7
2.4/10
06:11
Finished
0611
H. Kaji
F. Tian
2
0
▾2.55
▴1.47
2
▴1.47
3626
2
▴1.47
6.2/10
02:00
Finished
0200
H. Kaji
M. Matsuda
2
0
▴1.9
▾1.83
2
▾1.83
2636
2
▾1.83
3.9/10
Record by surface
Hard
20-23
Clay
1-2
Overall
21-25
Our AI on this player
26 correct of 43
From the matches in our database
About Haruka Kaji
Haruka Kaji is a 31-year-old professional tennis player. That is below a career-high of world No. 213. Over the last 52 weeks the serve has landed 70.8% of first deliveries, winning 56.1% of those points. Breaking is the real weapon here: 348.3% of break chances get taken. Service games rarely slip away: 422.6% of them are held. No surface has produced a winning record so far — Hard 20-23, Clay 1-2.
Results keep swinging: 3 up and 2 down across the last 5. The longest match we have on record ran to 31 games, against C. McNeil. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at ITF Women W50 Guiyang.
Serve & Return
First Serve %
63.6%
1st Serve Won
42.9%
2nd Serve Won
43.8%
Aces / Match
1
Double Faults / Match
2
Break Pts Saved
44.4%
Break Pts Converted
628.6%
Return Pts Won
48.3%
Service Hold %
740.9%
Total Pts Won
92.8%
Records
Last 12 months
0
Titles
1
Finals
5
Semis or better
30
Events played
Tournament Results
ITF W35 Taipei Women
ITF
Final
ITF W100 Incheon Women
ITF
Semi-Finals
ITF W100 Takasaki Women
ITF
Semi-Finals
ITF W35 Osaka Women
ITF
Semi-Finals
ITF W75 Kofu Women
ITF
Semi-Finals
ITF W35 Kunshan Women
ITF
Quarter-Finals
ITF W50 Columbus, OH Women
ITF
Quarter-Finals
ITF W75 Kyoto Women
ITF
Quarter-Finals
Jinan, China
WTA 125
Round of 16
Jiujiang, China
WTA 125
Round of 16
ITF W100 Cary, NC Women
ITF
Round of 16
ITF W100 Tokyo Women
ITF
Round of 16
ITF W35 Faro Women
ITF
Round of 16
ITF W50 Funchal Women
ITF
Round of 16
ITF W50 Helsinki Women
ITF
Round of 16
ITF W50 Kursumlijska Banja Women
ITF
Round of 16
ITF W50 Macon Women
ITF
Round of 16
ITF W75 Kursumlijska Banja 3 Women
ITF
Round of 16
ITF W75 Kurume Women
ITF
Round of 16
ITF W75 Tianjin Women
ITF
Round of 16
Vancouver, Canada
WTA 125
Round of 32
ITF W100 Evansville, IN Women
ITF
Round of 32
ITF W100 Wuning Women
ITF
Round of 32
ITF W35 Miyazaki Women
ITF
Round of 32
ITF W50 Yokohama Women
ITF
Round of 32
ITF W75 Granby Women
ITF
Round of 32
ITF W75 Trnava Women
ITF
Round of 32
Hong Kong
WTA
Qualifying
ITF W100 Gifu Women
ITF
Qualifying
ITF W100 Luan Women
ITF
Qualifying
Deepest runs first, not by date
Season by season
2025
1–6
Won-lost
7
Matches
2–2
Tiebreaks
1
Aces / Match
2.4
Double Faults / Match
First Serve %
74.5%
1st Serve Won
52.8%
2nd Serve Won
41.8%
Break points won
32.7%
Break Pts Saved
56.3%
2024
3–3
Won-lost
6
Matches
1–0
Tiebreaks
1
Aces / Match
2.2
Double Faults / Match
First Serve %
71.9%
1st Serve Won
58.2%
2nd Serve Won
52.4%
Break points won
42.2%
Break Pts Saved
67.7%
2023
1–1
Won-lost
2
Matches
—
Tiebreaks
0.5
Aces / Match
3
Double Faults / Match
First Serve %
63.4%
1st Serve Won
58.7%
2nd Serve Won
43.3%
Break points won
42.9%
Break Pts Saved
72.4%
Season totals from the tour feed, singles only. The won-lost line is the tour's own count and can differ from the record under Predictions, which counts the matches we cover. A dash means the season holds nothing to measure that figure from.
Frequently Asked Questions
How accurate are the AI predictions for Haruka Kaji?
+
Our model has graded 43 matches involving Haruka Kaji and got 26 right — a hit rate of 60.5%. The 20 most recent are listed below, each with the pick we made and how it finished.
Who has Haruka Kaji played most often?
+
Of the matches we cover, Haruka Kaji has met Hikaru Sato most often — 2 times, with a 2-0 record.