ITF · Clay
ITF M15 Karuizawa 2026: Predictions
This page follows ITF M15 Karuizawa match by match. Each prediction weighs recent form, head-to-head meetings and results on the surface, and the best tips here have landed more than 45.8% of the time.
24
Picks
0
Still to play
45.8%
Hit rate
Names to follow
JD
ITF
J. Delaney
HS
ITF
H. Shiraishi
KM
ITF
K. Matsuda
CS
ITF
C. Sinclair
YK
ITF
Y. Kawahashi
LV
ITF
L. Vithoontien
YK
ITF
Y. Kusuhara
SF
ITF
S. Fukuda
EZ
ITF
E. Zhu
JD
ITF
J. Delaney
KO
ITF
K. Ogura
JY
ITF
J. Yamasaki
YT
ITF
Y. Tomida
SM
ITF
S. Matsuoka
RT
ITF
R. Tanuma
TT
ITF
T. Takamisawa
KN
ITF
K. Nishiwaki
TM
ITF
T. Masabayashi
YT
ITF
Y. Taka
HK
ITF
H. Koyama
TK
ITF
T. Karigyo
KS
ITF
K. Suzuki
KO
ITF
K. Otsuka
NK
ITF
N. Koizumi
RK
ITF
R. Kojima
ITF
J. Delaney
HS
ITF
H. Shiraishi
KM
ITF
K. Matsuda
CS
ITF
C. Sinclair
YK
ITF
Y. Kawahashi
LV
ITF
L. Vithoontien
YK
ITF
Y. Kusuhara
SF
ITF
S. Fukuda
EZ
ITF
E. Zhu
JD
ITF
J. Delaney
KO
ITF
K. Ogura
JY
ITF
J. Yamasaki
YT
ITF
Y. Tomida
SM
ITF
S. Matsuoka
RT
ITF
R. Tanuma
TT
ITF
T. Takamisawa
KN
ITF
K. Nishiwaki
TM
ITF
T. Masabayashi
YT
ITF
Y. Taka
HK
ITF
H. Koyama
TK
ITF
T. Karigyo
KS
ITF
K. Suzuki
KO
ITF
K. Otsuka
NK
ITF
N. Koizumi
RK
ITF
R. Kojima
The tournament in numbers
45.8%
BananaCore hit rate
63%
Won in straight sets
38%
Went to a decider
21%
Matches with a tiebreak
2.4
Average sets per match
Round by round
Semi-Finals 2
ITF Men - M15 Karuizawa: H. Koyama against J. Delaney, 02:00, Finished. Winner odds: H. Koyama 2.55, J. Delaney 1.54. Predicted winner: J. Delaney, priced at 1.54, trust score 2.0 of 10. Graded a hit. Predicted scoreline: 4-6, 4-6. Our best tip: J. Delaney, priced at 1.54, trust score 2.0 of 10. Graded a hit.
H. Koyama
J. Delaney
ITF Men - M15 Karuizawa: E. Zhu against S. Fukuda, 04:07, Finished. Winner odds: E. Zhu 2.52, S. Fukuda 1.49. Predicted winner: S. Fukuda, priced at 1.49, trust score 3.0 of 10. Graded a miss. Predicted scoreline: 6-2, 3-6, 5-7. Our best tip: S. Fukuda, priced at 1.49, trust score 3.0 of 10. Graded a miss.
E. Zhu
S. Fukuda
02:00
Finished
0200
H. Koyama
J. Delaney
0
2
▾2.55
▴1.54
2
▴1.54
4646
2
▴1.54
2.0
04:07
Finished
0407
E. Zhu
S. Fukuda
2
1
▴2.52
▾1.49
2
▾1.49
623657
2
▾1.49
3.0
Quarter-Finals 4
ITF Men - M15 Karuizawa: H. Shiraishi against H. Koyama, 02:00, Finished. Winner odds: H. Shiraishi 1.45, H. Koyama 2.65. Predicted winner: H. Shiraishi, priced at 1.45, trust score 2.7 of 10. Graded a miss. Predicted scoreline: 6-2, 7-5. Our best tip: H. Shiraishi, priced at 1.45, trust score 2.7 of 10. Graded a miss.
H. Shiraishi
H. Koyama
ITF Men - M15 Karuizawa: J. Delaney against L. Vithoontien, 02:00, Finished. Winner odds: J. Delaney 1.62, L. Vithoontien 2.28. Predicted winner: L. Vithoontien, priced at 2.28, trust score 3.7 of 10. Graded a miss. Predicted scoreline: 4-6, 6-4, 3-6. Our best tip: O20.5, priced at 1.78, trust score 7.8 of 10. Graded a miss.
J. Delaney
L. Vithoontien
ITF Men - M15 Karuizawa: S. Matsuoka against E. Zhu, 02:00, Finished. Winner odds: S. Matsuoka 2.34, E. Zhu 1.57. Predicted winner: E. Zhu, priced at 1.57, trust score 2.0 of 10. Graded a hit. Predicted scoreline: 6-3, 3-6, 4-6. Our best tip: O20.5, priced at 1.78, trust score 7.2 of 10. Graded a miss.
S. Matsuoka
E. Zhu
ITF Men - M15 Karuizawa: S. Fukuda against K. Matsuda, 02:00, Finished. Winner odds: S. Fukuda 1.78, K. Matsuda 1.95. Predicted winner: S. Fukuda, priced at 1.78, trust score 3.2 of 10. Graded a hit. Predicted scoreline: 6-2, 5-7, 6-3. Our best tip: S. Fukuda, priced at 1.78, trust score 3.2 of 10. Graded a hit.
S. Fukuda
K. Matsuda
02:00
Finished
0200
H. Shiraishi
H. Koyama
1
2
▴1.45
▾2.65
1
▴1.45
6275
1
▴1.45
2.7
02:00
Finished
0200
J. Delaney
L. Vithoontien
2
0
▴1.62
▾2.28
2
▾2.28
466436
O20.5
▾1.78
7.8
02:00
Finished
0200
S. Matsuoka
E. Zhu
0
2
▴2.34
▾1.57
2
▾1.57
633646
O20.5
▾1.78
7.2
02:00
Finished
0200
S. Fukuda
K. Matsuda
2
0
▾1.78
▴1.95
1
▾1.78
625763
1
▾1.78
3.2
Round of 16 8
ITF Men - M15 Karuizawa: H. Shiraishi against T. Masabayashi, 02:00, Finished. Winner odds: H. Shiraishi 1.29, T. Masabayashi 3.3. Predicted winner: H. Shiraishi, priced at 1.29, trust score 2.9 of 10. Graded a hit. Predicted scoreline: 6-3, 6-4. Our best tip: H. Shiraishi, priced at 1.29, trust score 2.9 of 10. Graded a hit.
H. Shiraishi
T. Masabayashi
ITF Men - M15 Karuizawa: K. Otsuka against K. Matsuda, 02:00, Finished. Winner odds: K. Otsuka 8.2, K. Matsuda 1.07. Predicted winner: K. Otsuka, priced at 8.2, trust score 1.5 of 10. Graded a miss. Predicted scoreline: 5-7, 6-2, 6-2. Our best tip: O17.5, priced at 1.9, trust score 7.8 of 10. Graded a hit.
K. Otsuka
K. Matsuda
ITF Men - M15 Karuizawa: S. Fukuda against Y. Tomida, 02:00, Finished. Winner odds: S. Fukuda 1.34, Y. Tomida 3.2. Predicted winner: S. Fukuda, priced at 1.34, trust score 3.3 of 10. Graded a hit. Predicted scoreline: 6-2, 7-5. Our best tip: S. Fukuda, priced at 1.34, trust score 3.3 of 10. Graded a hit.
S. Fukuda
Y. Tomida
ITF Men - M15 Karuizawa: Y. Taka against E. Zhu, 02:00, Finished. Winner odds: Y. Taka 3.7, E. Zhu 1.25. Predicted winner: E. Zhu, priced at 1.25, trust score 4.6 of 10. Graded a hit. Predicted scoreline: 3-6, 6-3, 5-7. Our best tip: E. Zhu, priced at 1.25, trust score 4.6 of 10. Graded a hit.
Y. Taka
E. Zhu
ITF Men - M15 Karuizawa: Y. Kusuhara against S. Matsuoka, 04:08, Finished. Winner odds: Y. Kusuhara 2.01, S. Matsuoka 1.74. Predicted winner: Y. Kusuhara, priced at 2.01, trust score 2.3 of 10. Graded a miss. Predicted scoreline: 1-6, 6-3, 7-6. Our best tip: O21.5, priced at 1.85, trust score 3.9 of 10. Graded a miss.
Y. Kusuhara
S. Matsuoka
ITF Men - M15 Karuizawa: J. Yamasaki against L. Vithoontien, 04:08, Finished. Winner odds: J. Yamasaki 1.62, L. Vithoontien 2.25. Predicted winner: L. Vithoontien, priced at 2.25, trust score 3.3 of 10. Graded a hit. Predicted scoreline: 6-7, 6-3, 1-6. Our best tip: O20.5, priced at 1.8, trust score 6.7 of 10. Graded a miss.
J. Yamasaki
L. Vithoontien
ITF Men - M15 Karuizawa: J. Delaney against K. Nishiwaki, 04:09, Finished. Winner odds: J. Delaney 1.28, K. Nishiwaki 3.85. Predicted winner: J. Delaney, priced at 1.28, trust score 1.7 of 10. Graded a hit. Predicted scoreline: 6-4, 4-6, 6-3. Our best tip: O19.5, priced at 1.8, trust score 8.4 of 10. Graded a miss.
J. Delaney
K. Nishiwaki
ITF Men - M15 Karuizawa: H. Koyama against N. Koizumi, 04:09, Finished. Winner odds: H. Koyama 2.4, N. Koizumi 1.54. Predicted winner: N. Koizumi, priced at 1.54, trust score 4.8 of 10. Graded a miss. Predicted scoreline: 4-6, 4-6. Our best tip: N. Koizumi, priced at 1.54, trust score 4.8 of 10. Graded a miss.
H. Koyama
N. Koizumi
02:00
Finished
0200
H. Shiraishi
T. Masabayashi
2
0
▴1.29
▾3.3
1
▴1.29
6364
1
▴1.29
2.9
02:00
Finished
0200
K. Otsuka
K. Matsuda
0
2
▴8.2
▾1.07
1
▴8.2
576262
O17.5
▴1.9
7.8
02:00
Finished
0200
S. Fukuda
Y. Tomida
2
1
▾1.34
▴3.2
1
▾1.34
6275
1
▾1.34
3.3
02:00
Finished
0200
Y. Taka
E. Zhu
0
2
▴3.7
▾1.25
2
▾1.25
366357
2
▾1.25
4.6
04:08
Finished
0408
Y. Kusuhara
S. Matsuoka
0
2
2.01
1.74
1
2.01
166376
O21.5
▴1.85
3.9
04:08
Finished
0408
J. Yamasaki
L. Vithoontien
0
2
▴1.62
▾2.25
2
▾2.25
676316
O20.5
▾1.8
6.7
04:09
Finished
0409
J. Delaney
K. Nishiwaki
2
0
▾1.28
▴3.85
1
▾1.28
644663
O19.5
▾1.8
8.4
04:09
Finished
0409
H. Koyama
N. Koizumi
2
0
2.4
1.54
2
1.54
4646
2
1.54
4.8
3rd Round 9
27 May 2026
ITF Men - M15 Karuizawa: H. Shiraishi against K. Ogura, 02:00, Finished. Winner odds: H. Shiraishi 1.66, K. Ogura 2.12. Predicted winner: H. Shiraishi, priced at 1.66, trust score 2.9 of 10. Graded a hit. Predicted scoreline: 7-5, 6-3. Our best tip: H. Shiraishi, priced at 1.66, trust score 2.9 of 10. Graded a hit. 02:00
Finished
0200
H. Shiraishi
K. Ogura
2
1
▴1.66
▾2.12
1
▴1.66
7563
1
▴1.66
2.9
02:00
Finished
0200
K. Suzuki
K. Matsuda
0
2
▴5
▾1.18
2
▾1.18
3636
2
▾1.18
5.1
02:00
Finished
0200
R. Tanuma
H. Koyama
1
2
▴1.66
▾2.18
1
▴1.66
6364
1
▴1.66
2.0
02:00
Finished
0200
Y. Taka
T. Karigyo
2
0
▾1.46
▴2.58
2
▴2.58
2646
U20.5
▴1.8
3.4
04:10
Finished
0410
N. Koizumi
Y. Kawahashi
2
1
2.43
1.54
1
2.43
6363
U20.5
▴1.85
3.5
04:10
Finished
0410
K. Nishiwaki
T. Takamisawa
2
1
2.12
1.67
2
1.67
266257
O21.5
▾1.87
6.3
26 May 2026
ITF Men - M15 Karuizawa: J. Delaney against L. Vithoontien, 04:05, Finished. Winner odds: J. Delaney 5.4, L. Vithoontien 1.13. Predicted winner: L. Vithoontien, priced at 1.13, trust score 4.2 of 10. Graded a hit. Predicted scoreline: 6-7, 6-3, 1-6. Our best tip: L. Vithoontien, priced at 1.13, trust score 4.2 of 10. Graded a hit. 04:05
Finished
0405
J. Delaney
L. Vithoontien
0
2
▴5.4
▾1.13
2
▾1.13
676316
2
▾1.13
4.2
04:07
Finished
0407
J. Delaney
R. Kojima
2
0
1.01
11
2
11
752636
2
11
4.5
04:11
Finished
0411
E. Zhu
C. Sinclair
2
1
▾2.65
▴1.44
2
▴1.44
4636
2
▴1.44
5.7
Clay
Every forecast here leans hardest on how players do on clay.
25
Main draw
Best of three sets
Format
ITF M15 Karuizawa 2026 in numbers
From 24 settled matches at this event, our best tips are at 45%.
Only 25 players from 4 countries took part. E. Zhu needed a final set to beat J. Delaney in the title match. Biggest surprise: H. Koyama (then No. 1364) beating world No. 470 H. Shiraishi.
No match went longer than E. Zhu vs C. Sinclair, at 35 games. Surprises were frequent: 4 of 20 matches between ranked opponents went to the lower-ranked player.
Common questions
Is ITF M15 Karuizawa a clay, grass or hard-court event?
+
Surface at ITF M15 Karuizawa: Clay. Since conditions change how points are won, the predictions here weigh each player's results on that surface above the overall record.
What is our hit rate at ITF M15 Karuizawa?
+
45.8% of our best tips at ITF M15 Karuizawa have come in, over 24 settled matches. The number updates after every result, so it moves as the event goes on.
What number of ITF M15 Karuizawa matches carry a prediction?
+
24 at ITF M15 Karuizawa so far, each with a winner pick, a predicted set score, a games line and the serve and break-point figures behind them.
What are the dates of ITF M15 Karuizawa?
+
Our records place ITF M15 Karuizawa between 26 May 2026 and 31 May 2026. Dates move a little from one year to the next, and predictions for the new edition appear as soon as its draw is published.
18+ · Forecasts made by AI, for information only · BananaPoint neither takes nor places bets