HK
ATP · Rank #859
ATP · Rank #859
Hiromasa Koyama
18yrs
1.75 m
70 kg
Right
58.6%Accuracy
29
Matches Analyzed
Recent Form
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Z. Zhao vs H. Koyama, ITF Men - M15 Wuning, 03:00, Finished. Match winner odds: 2.55 for Z. Zhao, 1.5 for H. Koyama. AI winner pick: H. Koyama, odds 1.5, confidence 5.3 out of 10. This tip won. Predicted score: 2-6, 4-6. Best AI tip: H. Koyama, odds 1.5, confidence 5.3 out of 10. This tip won.
Z. Zhao
H. Koyama
J. Choe vs H. Koyama, ITF Men - M15 Wuning, 03:03, Finished. Match winner odds: 2.93 for J. Choe, 1.37 for H. Koyama. AI winner pick: J. Choe, odds 2.93, confidence 1.3 out of 10. This tip lost. Predicted score: 6-3, 6-4. Best AI tip: U21.5, odds 1.67, confidence 3.8 out of 10. This tip lost.
J. Choe
H. Koyama
H. Koyama vs W. Trongcharoench, ITF Men - M15 Wuning, 03:00, Finished. Match winner odds: 1.58 for H. Koyama, 2.37 for W. Trongcharoench. AI winner pick: H. Koyama, odds 1.58, confidence 2.6 out of 10. This tip won. Predicted score: 6-3, 3-6, 7-6. Best AI tip: O22.5, odds 2.17, confidence 6.1 out of 10. This tip lost.
H. Koyama
W. Trongcharoench
H. Koyama vs Y. Xia, ITF Men - M15 Wuning, 08:14, Finished. Match winner odds: 1.09 for H. Koyama, 6.8 for Y. Xia. AI winner pick: H. Koyama, odds 1.09, confidence 1.0 out of 10. This tip won. Predicted score: 5-7, 6-4, 6-3. Best AI tip: H. Koyama, odds 1.09, confidence 1.0 out of 10. This tip won.
H. Koyama
Y. Xia
03:00
Finished
0300
Z. Zhao
H. Koyama
0
2
▴2.55
▾1.5
2
▾1.5
2646
2
▾1.5
5.3/10
03:03
Finished
0303
J. Choe
H. Koyama
0
2
▴2.93
▾1.37
1
▴2.93
6364
U21.5
▴1.67
3.8/10
03:00
Finished
0300
H. Koyama
W. Trongcharoench
2
0
1.58
2.37
1
1.58
633676
O22.5
2.17
6.1/10
08:14
Finished
0814
H. Koyama
Y. Xia
2
0
▾1.09
▴6.8
1
▾1.09
576463
1
▾1.09
1.0/10
H. Koyama vs Q. Sun, ITF Men - M15 Wuning, 13:30, Finished. Match winner odds: 1.81 for H. Koyama, 2.1 for Q. Sun. AI winner pick: H. Koyama, odds 1.81, confidence 3.5 out of 10. This tip lost. Predicted score: 3-6, 6-2, 7-5. Best AI tip: O21.5, odds 1.95, confidence 6.8 out of 10. This tip lost.
H. Koyama
Q. Sun
L. Vickery vs H. Koyama, ITF Men - M15 Wuning, 12:41, Finished. Match winner odds: 4.9 for L. Vickery, 1.14 for H. Koyama. AI winner pick: H. Koyama, odds 1.14, confidence 3.8 out of 10. This tip won. Predicted score: 7-6, 4-6, 4-6. Best AI tip: H. Koyama, odds 1.14, confidence 3.8 out of 10. This tip won.
L. Vickery
H. Koyama
13:30
Finished
1330
H. Koyama
Q. Sun
0
2
1.81
2.1
1
1.81
366275
O21.5
▴1.95
6.8/10
12:41
Finished
1241
L. Vickery
H. Koyama
0
2
▾4.9
▴1.14
2
▴1.14
764646
2
▴1.14
3.8/10
H. Koyama vs L. Castelnuovo, ITF Men - M25 Taipei, 02:38, Finished. Match winner odds: 3.2 for H. Koyama, 1.42 for L. Castelnuovo. AI winner pick: H. Koyama, odds 3.2, confidence 1.1 out of 10. This tip lost. Predicted score: 7-5, 6-4. Best AI tip: O19.5, odds 1.55, confidence 2.2 out of 10. This tip won.
H. Koyama
L. Castelnuovo
H. Koyama vs S. Hazawa, ITF Men - M25 Taipei, 05:02, Finished. Match winner odds: 2.32 for H. Koyama, 1.58 for S. Hazawa. AI winner pick: S. Hazawa, odds 1.58, confidence 1.8 out of 10. This tip lost. Predicted score: 5-7, 3-6. Best AI tip: S. Hazawa, odds 1.58, confidence 1.8 out of 10. This tip lost.
H. Koyama
S. Hazawa
02:38
Finished
0238
H. Koyama
L. Castelnuovo
1
2
▾3.2
▴1.42
1
▾3.2
7564
O19.5
▾1.55
2.2/10
05:02
Finished
0502
H. Koyama
S. Hazawa
2
1
▾2.32
▴1.58
2
▴1.58
5736
2
▴1.58
1.8/10
Y. K. Hassani vs H. Koyama, ITF Men - M15 Harmon, 02:00, Finished. Match winner odds: 1.87 for Y. K. Hassani, 1.94 for H. Koyama. AI winner pick: Y. K. Hassani, odds 1.87, confidence 1.2 out of 10. This tip lost. Predicted score: 6-3, 6-3. Best AI tip: U21.5, odds 1.85, confidence 2.2 out of 10. This tip lost.
Y. K. Hassani
H. Koyama
H. Koyama vs C. Sinclair, ITF Men - M15 Harmon, 02:00, Finished. Match winner odds: 3.4 for H. Koyama, 1.27 for C. Sinclair. AI winner pick: C. Sinclair, odds 1.27, confidence 3.8 out of 10. This tip lost. Predicted score: 4-6, 4-6. Best AI tip: C. Sinclair, odds 1.27, confidence 3.8 out of 10. This tip lost.
H. Koyama
C. Sinclair
H. Roh vs H. Koyama, ITF Men - M15 Harmon, 02:30, Finished. Match winner odds: 1.32 for H. Roh, 3.25 for H. Koyama. AI winner pick: H. Koyama, odds 3.25, confidence 2.0 out of 10. This tip won. Predicted score: 6-2, 2-6, 5-7. Best AI tip: O20.5, odds 1.95, confidence 3.8 out of 10. This tip won.
H. Roh
H. Koyama
H. Koyama vs A. Arcon, ITF Men - M15 Harmon, 02:00, Finished. Match winner odds: 1.12 for H. Koyama, 5.8 for A. Arcon. AI winner pick: H. Koyama, odds 1.12, confidence 7.4 out of 10. This tip won. Predicted score: 6-2, 6-4. Best AI tip: H. Koyama, odds 1.12, confidence 7.4 out of 10. This tip won.
H. Koyama
A. Arcon
02:00
Finished
0200
Y. K. Hassani
H. Koyama
1
2
▴1.87
▾1.94
1
▴1.87
6363
U21.5
1.85
2.2/10
02:00
Finished
0200
H. Koyama
C. Sinclair
2
0
3.4
1.27
2
1.27
4646
2
1.27
3.8/10
02:30
Finished
0230
H. Roh
H. Koyama
0
2
▾1.32
▴3.25
2
▴3.25
622657
O20.5
▴1.95
3.8/10
02:00
Finished
0200
H. Koyama
A. Arcon
2
0
1.12
5.8
1
1.12
6264
1
1.12
7.4/10
H. Koyama vs J. Delaney, ITF Men - M15 Karuizawa, 02:00, Finished. Match winner odds: 2.55 for H. Koyama, 1.54 for J. Delaney. AI winner pick: J. Delaney, odds 1.54, confidence 2.0 out of 10. This tip won. Predicted score: 4-6, 4-6. Best AI tip: J. Delaney, odds 1.54, confidence 2.0 out of 10. This tip won.
H. Koyama
J. Delaney
H. Shiraishi vs H. Koyama, ITF Men - M15 Karuizawa, 02:00, Finished. Match winner odds: 1.45 for H. Shiraishi, 2.65 for H. Koyama. AI winner pick: H. Shiraishi, odds 1.45, confidence 2.7 out of 10. This tip lost. Predicted score: 6-2, 7-5. Best AI tip: H. Shiraishi, odds 1.45, confidence 2.7 out of 10. This tip lost.
H. Shiraishi
H. Koyama
02:00
Finished
0200
H. Koyama
J. Delaney
0
2
▾2.55
▴1.54
2
▴1.54
4646
2
▴1.54
2.0/10
02:00
Finished
0200
H. Shiraishi
H. Koyama
1
2
▴1.45
▾2.65
1
▴1.45
6275
1
▴1.45
2.7/10
Record by surface
Hard
11-10
Clay
4-4
Overall
15-14
Our AI on this player
17 correct of 29
From the matches in our database
About Hiromasa Koyama
Hiromasa Koyama is a 18-year-old right-handed professional tennis player, currently ranked world No. 859. Across everything played, 100.6% of all points end up on this side of the net. The record is spread evenly across surfaces — Hard 11-10, Clay 4-4.
Results keep swinging: 3 up and 2 down across the last 5. The longest match we have on record ran to 30 games, against T. Karigyo. More of the matches we cover came at ITF Men M15 Wuning than anywhere else — 6 of them. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at ITF Men M15 Yanagawa City.
Serve & Return
First Serve %
—
1st Serve Won
—
2nd Serve Won
—
Aces / Match
0.7
Double Faults / Match
4.1
Break Pts Saved
—
Break Pts Converted
—
Return Pts Won
46.1%
Service Hold %
—
Total Pts Won
101.1%
Records
Last 12 months
1
Titles
1
Finals
3
Semis or better
21
Events played
Tournament Results
ITF M15 Wuning 8 Men
ITF
Winner
ITF M15 Harmon Men
ITF
Semi-Finals
ITF M15 Karuizawa Men
ITF
Semi-Finals
ITF M15 Antalya 18 Men
ITF
Quarter-Finals
ITF M15 Antalya 19 Men
ITF
Round of 16
ITF M15 Monastir 13 Men
ITF
Round of 16
ITF M15 Wuning 7 Men
ITF
Round of 16
ITF M25 Taipei 2 Men
ITF
Round of 16
ITF M25 Taipei Men
ITF
Round of 16
ITF M15 Antalya 16 Men
ITF
Round of 32
ITF M15 Tanagura Men
ITF
Round of 32
ITF M15 Tokyo 2 Men
ITF
Round of 32
ITF M15 Tokyo 3 Men
ITF
Round of 32
ITF M15 Tokyo 4 Men
ITF
Round of 32
ITF M15 Tokyo Men
ITF
Round of 32
ITF M15 Torelló Men
ITF
Round of 32
ITF M15 Villena 2 Men
ITF
Round of 32
ITF M25 Badalona Men
ITF
Round of 32
ITF M15 Monastir 12 Men
ITF
Qualifying
ITF M15 Monastir 14 Men
ITF
Qualifying
ITF M25 Tarragona Men
ITF
Qualifying
Deepest runs first, not by date
Frequently asked questions
How accurate are the AI predictions for Hiromasa Koyama?
+
Our model has graded 29 matches involving Hiromasa Koyama and got 17 right — a hit rate of 58.6%. The 20 most recent are listed below, each with the pick we made and how it finished.