JY
ATP · Rank #1064
ATP · Rank #1064
Jumpei Yamasaki
29yrs
1.80 m
75 kg
Right
47.1%Accuracy
17
Matches Analyzed
Recent Form
LLWWL
Recent & Upcoming
Tap a match for full analysis
J. Yamasaki vs J. Kim, ITF Men - M15 Tokyo, 04:07, Finished. Match winner odds: 2.42 for J. Yamasaki, 1.5 for J. Kim. AI winner pick: J. Kim, odds 1.5, confidence 1.2 out of 10. This tip won. Predicted score: 2-6, 5-7. Best AI tip: J. Kim, odds 1.5, confidence 1.2 out of 10. This tip won.
J. Yamasaki
J. Kim
J. Yamasaki vs H. Jones, ITF Men - M15 Tokyo, 04:11, Finished. Match winner odds: 1.68 for J. Yamasaki, 2.07 for H. Jones. AI winner pick: H. Jones, odds 2.07, confidence 2.8 out of 10. This tip lost. Predicted score: 3-6, 4-6. Best AI tip: U21.5, odds 1.97, confidence 3.5 out of 10. This tip won.
J. Yamasaki
H. Jones
C. Sinclair vs J. Yamasaki, ITF Men - M15 Tokyo, 04:11, Finished. Match winner odds: 1.59 for C. Sinclair, 2.23 for J. Yamasaki. AI winner pick: C. Sinclair, odds 1.59, confidence 6.8 out of 10. This tip lost. Predicted score: 6-3, 7-5. Best AI tip: C. Sinclair, odds 1.59, confidence 6.8 out of 10. This tip lost.
C. Sinclair
J. Yamasaki
04:07
Finished
0407
J. Yamasaki
J. Kim
0
2
2.42
1.5
2
1.5
2657
2
1.5
1.2/10
04:11
Finished
0411
J. Yamasaki
H. Jones
2
0
▴1.68
▾2.07
2
▾2.07
3646
U21.5
▴1.97
3.5/10
04:11
Finished
0411
C. Sinclair
J. Yamasaki
0
2
▾1.59
▴2.23
1
▾1.59
6375
1
▾1.59
6.8/10
J. Yamasaki vs M. Imamura, ITF Men - M25 Nakhon Pathom, 04:00, Finished. Match winner odds: 3.05 for J. Yamasaki, 1.38 for M. Imamura. AI winner pick: M. Imamura, odds 1.38, confidence 3.3 out of 10. This tip won. Predicted score: 6-4, 4-6, 3-6. Best AI tip: O19.5, odds 1.59, confidence 8.0 out of 10. This tip lost.
J. Yamasaki
M. Imamura
M. Sureshkumar vs J. Yamasaki, ITF Men - M25 Nakhon Pathom, 05:30, Finished. Match winner odds: 2.3 for M. Sureshkumar, 1.54 for J. Yamasaki. AI winner pick: M. Sureshkumar, odds 2.3, confidence 1.3 out of 10. This tip lost. Predicted score: 7-5, 6-3. Best AI tip: U22.5, odds 1.61, confidence 1.5 out of 10. This tip lost.
M. Sureshkumar
J. Yamasaki
04:00
Finished
0400
J. Yamasaki
M. Imamura
0
2
▾3.05
▴1.38
2
▴1.38
644636
O19.5
▾1.59
8.0/10
05:30
Finished
0530
M. Sureshkumar
J. Yamasaki
1
2
▾2.3
▴1.54
1
▾2.3
7563
U22.5
1.61
1.5/10
H. Shiraishi vs J. Yamasaki, ITF Men - M15 Kashiwa, 02:00, Finished. Match winner odds: 1.57 for H. Shiraishi, 2.42 for J. Yamasaki. AI winner pick: H. Shiraishi, odds 1.57, confidence 2.5 out of 10. This tip won. Predicted score: 6-3, 2-6, 7-5. Best AI tip: O22.5, odds 1.85, confidence 6.3 out of 10. This tip won.
H. Shiraishi
J. Yamasaki
K. Shibano vs J. Yamasaki, ITF Men - M15 Kashiwa, 02:00, Finished. Match winner odds: 4.35 for K. Shibano, 1.18 for J. Yamasaki. AI winner pick: J. Yamasaki, odds 1.18, confidence 3.8 out of 10. This tip won. Predicted score: 2-6, 2-6. Best AI tip: J. Yamasaki, odds 1.18, confidence 3.8 out of 10. This tip won.
K. Shibano
J. Yamasaki
02:00
Finished
0200
H. Shiraishi
J. Yamasaki
2
1
▴1.57
▾2.42
1
▴1.57
632675
O22.5
▾1.85
6.3/10
02:00
Finished
0200
K. Shibano
J. Yamasaki
1
2
▾4.35
▴1.18
2
▴1.18
2626
2
▴1.18
3.8/10
J. Yamasaki vs Y. Tomida, ITF Men - M15 Tsukuba, 02:00, Finished. Match winner odds: 1.52 for J. Yamasaki, 2.35 for Y. Tomida. AI winner pick: Y. Tomida, odds 2.35, confidence 2.3 out of 10. This tip won. Predicted score: 3-6, 3-6. Best AI tip: U21.5, odds 1.68, confidence 2.5 out of 10. This tip won.
J. Yamasaki
Y. Tomida
J. Yamasaki vs Y. Oki, ITF Men - M15 Tsukuba, 02:00, Finished. Match winner odds: 1.68 for J. Yamasaki, 2.1 for Y. Oki. AI winner pick: J. Yamasaki, odds 1.68, confidence 4.3 out of 10. This tip won. Predicted score: 6-4, 6-3. Best AI tip: J. Yamasaki, odds 1.68, confidence 4.3 out of 10. This tip won.
J. Yamasaki
Y. Oki
02:00
Finished
0200
J. Yamasaki
Y. Tomida
0
2
▴1.52
▾2.35
2
▾2.35
3636
U21.5
▴1.68
2.5/10
02:00
Finished
0200
J. Yamasaki
Y. Oki
2
0
▴1.68
▾2.1
1
▴1.68
6463
1
▴1.68
4.3/10
M. Imamura vs J. Yamasaki, Challenger - Bengaluru, India, Qualifying, 09:15, Finished. Match winner odds: 1.36 for M. Imamura, 3.05 for J. Yamasaki. AI winner pick: M. Imamura, odds 1.36, confidence 1.2 out of 10. This tip lost. Predicted score: 6-4, 6-2. Best AI tip: M. Imamura, odds 1.36, confidence 1.2 out of 10. This tip lost.
M. Imamura
J. Yamasaki
J. Yamasaki vs F. Balshaw, Challenger - Bengaluru, India, Qualifying, 07:30, Finished. Match winner odds: 2.45 for J. Yamasaki, 1.54 for F. Balshaw. AI winner pick: J. Yamasaki, odds 2.45, confidence 4.1 out of 10. This tip lost. Predicted score: 6-4, 6-2. Best AI tip: J. Yamasaki, odds 2.45, confidence 4.1 out of 10. This tip lost.
J. Yamasaki
F. Balshaw
(12)
09:15
Finished
0915
M. Imamura
J. Yamasaki
1
2
▾1.36
▴3.05
1
▾1.36
6462
1
▾1.36
1.2/10
07:30
Finished
0730
J. Yamasaki
F. Balshaw
(12) 1
2
2.45
1.54
1
2.45
6462
1
2.45
4.1/10
J. Yamasaki vs Y. Mochizuki, Challenger - Yokohama, Japan, 05:45, Finished. Match winner odds: 2.29 for J. Yamasaki, 1.52 for Y. Mochizuki. AI winner pick: J. Yamasaki, odds 2.29, confidence 1.1 out of 10. This tip lost. Predicted score: 6-2, 6-4. Best AI tip: J. Yamasaki, odds 2.41, confidence 1.1 out of 10. This tip lost.
J. Yamasaki
Y. Mochizuki
N. Nakagawa vs J. Yamasaki, Challenger - Yokohama, Japan, Qualifying, 03:10, Finished. Match winner odds: 1.45 for N. Nakagawa, 2.7 for J. Yamasaki. AI winner pick: J. Yamasaki, odds 2.7, confidence 1.9 out of 10. This tip won. Predicted score: 3-6, 6-4, 4-6. Best AI tip: J. Yamasaki, odds 2.7, confidence 1.9 out of 10. This tip won.
N. Nakagawa
J. Yamasaki
05:45
Finished
0545
J. Yamasaki
Y. Mochizuki
0
2
▾2.29
▴1.52
1
▾2.29
6264
1
▾2.41
1.1/10
03:10
Finished
0310
N. Nakagawa
J. Yamasaki
0
2
▴1.45
▾2.7
2
▾2.7
366446
2
▾2.7
1.9/10
Record by surface
Hard
7-10
Clay
0-1
Overall
7-11
Our AI on this player
8 correct of 17
From the matches in our database
About Jumpei Yamasaki
Jumpei Yamasaki is a 29-year-old right-handed professional tennis player, currently ranked world No. 1064. Over the last 52 weeks the serve has landed 71.1% of first deliveries, winning 62.3% of those points. Breaking is the real weapon here: 183.9% of break chances get taken. Service games rarely slip away: 392.8% of them are held. No surface has produced a winning record so far — Hard 7-10, Clay 0-1.
Results keep swinging: 2 up and 3 down across the last 5. The longest match we have on record ran to 34 games, against H. Shiraishi. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at ITF Men M15 Luan.
Serve & Return
First Serve %
—
1st Serve Won
—
2nd Serve Won
—
Aces / Match
4.2
Double Faults / Match
1.7
Break Pts Saved
—
Break Pts Converted
—
Return Pts Won
36.4%
Service Hold %
—
Total Pts Won
100.7%
Records
Last 12 months
1
Titles
1
Finals
1
Semis or better
13
Events played
Tournament Results
UTR PTT Saitama Men 01
UTR
Winner
ITF M15 Tokyo Men
ITF
Quarter-Finals
ITF M15 Karuizawa Men
ITF
Round of 16
ITF M15 Kashiwa Men
ITF
Round of 16
ITF M15 Tsukuba Men
ITF
Round of 16
ITF M25 Nakhon Pathom Men
ITF
Round of 16
Yokohama, Japan
Challenger
Round of 32
ITF M15 Bali Men
ITF
Round of 32
ITF M15 Hinode Men
ITF
Round of 32
ITF M15 Nishi-Tokyo Men
ITF
Round of 32
ITF M15 Singapore 2 Men
ITF
Round of 32
ITF M25 Nakhon Pathom 2 Men
ITF
Round of 32
Bengaluru, India
Challenger
Qualifying
Deepest runs first, not by date
Season by season
2026so far
0–1
Won-lost
1
Matches
—
Tiebreaks
2
Aces / Match
0
Double Faults / Match
First Serve %
80.2%
1st Serve Won
56.5%
2nd Serve Won
52.9%
Break points won
42.9%
Break Pts Saved
64.7%
2025
2–1
Won-lost
3
Matches
0–1
Tiebreaks
2
Aces / Match
1.3
Double Faults / Match
First Serve %
66.9%
1st Serve Won
69.7%
2nd Serve Won
48.1%
Break points won
47.1%
Break Pts Saved
63.6%
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 Jumpei Yamasaki?
+
Our model has graded 17 matches involving Jumpei Yamasaki and got 8 right — a hit rate of 47.1%. Every completed pick stays on the page, so the figure can be checked.
Who has Jumpei Yamasaki played most often?
+
Of the matches we cover, Jumpei Yamasaki has met Masamichi Imamura most often — 2 times, with a 1-1 record.