SI
WTA · Rank #739
WTA · Rank #739
Sayaka Ishii: Predictions and form
21yrs
Right
56.7%Hit rate
30
Matches tracked
Form guide
LWWLW
Just played, coming up
Select a match to open its page
ITF Women - W50 Nanao: S. Ishii against H. Abe, 02:00, Finished. Winner odds: S. Ishii 3.35, H. Abe 1.33. Predicted winner: H. Abe, priced at 1.33, trust score 6.4 of 10. Graded a hit. Predicted scoreline: 3-6, 2-6. Our best tip: H. Abe, priced at 1.33, trust score 6.4 of 10. Graded a hit.
S. Ishii
H. Abe
ITF Women - W50 Nanao: N. Kawaguchi against S. Ishii, 03:51, Finished. Winner odds: N. Kawaguchi 1.7, S. Ishii 2.38. Predicted winner: N. Kawaguchi, priced at 1.7, trust score 8.4 of 10. Graded a miss. Predicted scoreline: 6-4, 6-4. Our best tip: N. Kawaguchi, priced at 1.7, trust score 8.4 of 10. Graded a miss.
N. Kawaguchi
S. Ishii
ITF Women - W50 Nanao: N. Hanatani against S. Ishii, 13:00, Finished. Winner odds: N. Hanatani 9, S. Ishii 1.04. Predicted winner: S. Ishii, priced at 1.04, trust score 5.2 of 10. Graded a hit. Predicted scoreline: 3-6, 4-6. Our best tip: S. Ishii, priced at 1.04, trust score 5.2 of 10. Graded a hit.
N. Hanatani
S. Ishii
02:00
Finished
0200
S. Ishii
H. Abe
0
2
▾3.35
▴1.33
2
▴1.33
3626
2
▴1.33
6.4
03:51
Finished
0351
N. Kawaguchi
S. Ishii
1
2
▾1.7
▴2.38
1
▾1.7
6464
1
▾1.7
8.4
13:00
Finished
1300
N. Hanatani
S. Ishii
0
2
▾9
▴1.04
2
▴1.04
3646
2
▴1.04
5.2
ITF Women - W35 Kyoto: H. Abe against S. Ishii, 11:00, Finished. Winner odds: H. Abe 1.47, S. Ishii 2.8. Predicted winner: H. Abe, priced at 1.47, trust score 5.7 of 10. Graded a hit. Predicted scoreline: 6-4, 6-2. Our best tip: H. Abe, priced at 1.47, trust score 5.7 of 10. Graded a hit.
H. Abe
S. Ishii
ITF Women - W35 Kyoto: S. Ishii against A. Rajecki, 13:00, Finished. Winner odds: S. Ishii 2.27, A. Rajecki 1.7. Predicted winner: A. Rajecki, priced at 1.7, trust score 3.7 of 10. Graded a miss. Predicted scoreline: 4-6, 3-6. Our best tip: A. Rajecki, priced at 1.7, trust score 3.7 of 10. Graded a miss.
S. Ishii
A. Rajecki
ITF Women - W35 Kyoto: S. Ishii against C. Y. Shek, 13:00, Finished. Winner odds: S. Ishii 1.66, C. Y. Shek 2.23. Predicted winner: C. Y. Shek, priced at 2.23, trust score 2.6 of 10. Graded a miss. Predicted scoreline: 2-6, 4-6. Our best tip: U21.5, priced at 1.75, trust score 4.5 of 10. Graded a miss.
S. Ishii
C. Y. Shek
11:00
Finished
1100
H. Abe
S. Ishii
2
1
▾1.47
▴2.8
1
▾1.47
6462
1
▾1.47
5.7
13:00
Finished
1300
S. Ishii
A. Rajecki
2
1
▴2.27
▾1.7
2
▾1.7
4636
2
▾1.7
3.7
13:00
Finished
1300
S. Ishii
C. Y. Shek
2
0
▴1.66
▾2.23
2
▾2.23
2646
U21.5
▾1.75
4.5
ITF Women - W15 Torello: S. Ishii against A. Ferlito, 11:00, Finished. Winner odds: S. Ishii 1.34, A. Ferlito 3.15. Predicted winner: S. Ishii, priced at 1.34, trust score 2.1 of 10. Graded a miss. Predicted scoreline: 2-6, 7-5, 6-3. Our best tip: O20.5, priced at 2, trust score 6.3 of 10. Graded a hit.
S. Ishii
A. Ferlito
ITF Women - W15 Torello: N. Torner against S. Ishii, 09:00, Finished. Winner odds: N. Torner 1.91, S. Ishii 1.9. Predicted winner: N. Torner, priced at 1.91, trust score 5.0 of 10. Graded a miss. Predicted scoreline: 6-4, 3-6, 7-5. Our best tip: N. Torner, priced at 1.91, trust score 5.0 of 10. Graded a miss.
N. Torner
S. Ishii
11:00
Finished
1100
S. Ishii
A. Ferlito
1
2
▴1.34
▾3.15
1
▴1.34
267563
O20.5
2
6.3
09:00
Finished
0900
N. Torner
S. Ishii
0
2
▾1.91
▴1.9
1
▾1.91
643675
1
▾1.91
5.0
ITF Women - W15 Logrono: J. Giaccio against S. Ishii, 10:08, Finished. Winner odds: J. Giaccio 3.5, S. Ishii 1.3. Predicted winner: J. Giaccio, priced at 3.5, trust score 0.8 of 10. Graded a hit. Predicted scoreline: 6-4, 6-3. Our best tip: U21.5, priced at 1.62, trust score 1.0 of 10. Graded a hit.
J. Giaccio
S. Ishii
ITF Women - W15 Logrono: V. Losciale against S. Ishii, 11:30, Finished. Winner odds: V. Losciale 5.5, S. Ishii 1.12. Predicted winner: S. Ishii, priced at 1.12, trust score 4.8 of 10. Graded a hit. Predicted scoreline: 3-6, 6-3, 5-7. Our best tip: S. Ishii, priced at 1.12, trust score 4.8 of 10. Graded a hit.
V. Losciale
S. Ishii
ITF Women - W15 Logrono: J. Font against S. Ishii, 13:00, Finished. Winner odds: J. Font 13, S. Ishii 1.02. Predicted winner: S. Ishii, priced at 1.02, trust score 5.2 of 10. Graded a hit. Predicted scoreline: 5-7, 6-3, 2-6. Our best tip: S. Ishii, priced at 1.02, trust score 5.2 of 10. Graded a hit.
J. Font
S. Ishii
10:08
Finished
1008
J. Giaccio
S. Ishii
2
0
▾3.5
▴1.3
1
▾3.5
6463
U21.5
▴1.62
1.0
11:30
Finished
1130
V. Losciale
S. Ishii
0
2
▾5.5
▴1.12
2
▴1.12
366357
2
▴1.12
4.8
13:00
Finished
1300
J. Font
S. Ishii
1
2
▾13
▾1.02
2
▾1.02
576326
2
▾1.02
5.2
ITF Women - W35 Aldershot: R. Saigo against S. Ishii, 13:03, Finished. Winner odds: R. Saigo 1.9, S. Ishii 1.92. Predicted winner: R. Saigo, priced at 1.9, trust score 2.2 of 10. Graded a hit. Predicted scoreline: 7-5, 6-3. Our best tip: R. Saigo, priced at 1.9, trust score 2.2 of 10. Graded a hit.
R. Saigo
S. Ishii
ITF Women - W35 Aldershot: S. Ishii against H. Sato, 13:04, Finished. Winner odds: S. Ishii 2.02, H. Sato 1.83. Predicted winner: H. Sato, priced at 1.83, trust score 3.8 of 10. Graded a miss. Predicted scoreline: 4-6, 4-6. Our best tip: H. Sato, priced at 1.83, trust score 3.8 of 10. Graded a miss.
S. Ishii
H. Sato
ITF Women - W35 Aldershot: S. Ishii against F. Gandolfi, 11:42, Finished. Winner odds: S. Ishii 1.49, F. Gandolfi 2.55. Predicted winner: F. Gandolfi, priced at 2.55, trust score 4.4 of 10. Graded a miss. Predicted scoreline: 1-6, 3-6. Our best tip: U20.5, priced at 1.85, trust score 5.1 of 10. Graded a miss.
S. Ishii
F. Gandolfi
13:03
Finished
1303
R. Saigo
S. Ishii
2
0
▾1.9
▴1.92
1
▾1.9
7563
1
▾1.9
2.2
13:04
Finished
1304
S. Ishii
H. Sato
2
1
2.02
1.83
2
1.83
4646
2
1.83
3.8
11:42
Finished
1142
S. Ishii
F. Gandolfi
2
1
▴1.49
▾2.55
2
▾2.55
1636
U20.5
▴1.85
5.1
WTA Wimbledon London Great Britain Qualifying
Grass WTA Wimbledon London Great Britain Qualifying (Grass)
1
Results by surface
Hard
12-11
Grass
0-4
Overall
14-16
BananaCore's calls for this player
17 of 30 right
Only matches we forecast are counted
More on Sayaka Ishii
World No. 739 Sayaka Ishii is 21 and plays right-handed. On hard the record reads 12-11, well ahead of 0-4 on the other surfaces. Too many free points go away on serve: 5.2 double faults a match, and the first delivery wins only 54.7%. Average on return: 44.6% of return points won and 408.3% of break points converted. 547.5% of service games held: breaking this serve is hard.
Mixed recent form, 3-2 over the last 5. No match in our data has lasted longer than the 35-game duel with A. Rajecki. Open any of these matches for BananaCore's pick, a predicted scoreline and the serve and return figures behind them. Latest tournament on record: ITF Women W50 Nanao.
Serving and returning
1st serves in
—
Won on 1st serve
—
Won on 2nd serve
—
Aces per match
3
Double faults per match
5.6
Break points saved
—
Return games won
—
Points won on return
45.3%
Service points won
—
All points won
103.2%
Career
Past 12 months
0
Titles
0
Finals
0
Semi-final runs
21
Tournaments played
Results by tournament
ITF W15 Logrono Women
ITF
Quarter-Finals
ITF W35 Aldershot Women
ITF
Quarter-Finals
ITF W35 Burnie Women
ITF
Quarter-Finals
ITF W35 Kyoto Women
ITF
Quarter-Finals
ITF W15 Torello Women
ITF
Round of 16
ITF W35 Miyazaki 2 Women
ITF
Round of 16
ITF W35 Miyazaki Women
ITF
Round of 16
ITF W35 Osaka Women
ITF
Round of 16
Newport, USA
WTA 125
Round of 32
ITF W100 Takasaki Women
ITF
Round of 32
ITF W35 Launceston Women
ITF
Round of 32
ITF W35 Roehampton Women
ITF
Round of 32
ITF W50 Nottingham Women
ITF
Round of 32
ITF W75 Kofu Women
ITF
Round of 32
ITF W75 Kurume Women
ITF
Round of 32
Wimbledon, Women
WTA
Qualifying
Birmingham, Great Britain
WTA 125
Qualifying
Ilkley, Great Britain
WTA 125
Qualifying
ITF W100 Gifu Women
ITF
Qualifying
ITF W35 Aldershot 2 Women
ITF
Qualifying
ITF W50 Leiria Women
ITF
Qualifying
Sorted by best result, not by date
Year by year
2026in progress
0–1
W–L
1
Matches
—
Tiebreaks
1
Aces per match
7
Double faults per match
1st serves in
57.6%
Won on 1st serve
52.9%
Won on 2nd serve
32%
Break points converted
25%
Break points saved
58.3%
2025
2–5
W–L
7
Matches
1–1
Tiebreaks
1.3
Aces per match
1.7
Double faults per match
1st serves in
64.9%
Won on 1st serve
58.9%
Won on 2nd serve
43.9%
Break points converted
45.5%
Break points saved
43.4%
2024
6–4
W–L
10
Matches
1–1
Tiebreaks
1.5
Aces per match
5.4
Double faults per match
1st serves in
68%
Won on 1st serve
66.1%
Won on 2nd serve
48.3%
Break points converted
46.4%
Break points saved
60.5%
Official singles figures for this season, as published by the tour. Don't expect the wins and losses to match our Predictions tab: that record covers only the matches we forecast. A dash marks a figure with no data yet.
Common questions
How often do our calls on Sayaka Ishii come true?
+
17 of our 30 graded predictions on Sayaka Ishii's matches were right, 56.7%. The latest 20 are listed below, each pick next to its result.
Which opponent has Sayaka Ishii met most in our records?
+
Natsumi Kawaguchi, 2 times, with Sayaka Ishii at 1-1 in those matches.