RS
ATP · Rank #157
ATP · Rank #157
Rei Sakamoto
20yrs
1.93 m
80 kg
Right
#148Peak Rank
66.7%Accuracy
51
Matches Analyzed
Recent Form
LLWWW
Recent & Upcoming
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R. Sakamoto vs F. Tiafoe, ATP - US Open, New York, USA, 00:05, Finished. Match winner odds: 4.45 for R. Sakamoto, 1.25 for F. Tiafoe. AI winner pick: F. Tiafoe, odds 1.25, confidence 1.3 out of 10. This tip won. Predicted score: 6-4, 6-3, 3-6, 3-6, 4-6. Best AI tip: O31.5, odds 1.33, confidence 4.5 out of 10. This tip won.
R. Sakamoto
(Q)
F. Tiafoe
(11)
A. Vukić vs R. Sakamoto, ATP - US Open, New York, USA, 21:45, Finished. Match winner odds: 2.37 for A. Vukić, 1.63 for R. Sakamoto. AI winner pick: R. Sakamoto, odds 1.63, confidence 1.8 out of 10. This tip won. Predicted score: 6-4, 3-6, 6-7, 4-6. Best AI tip: O32.5, odds 1.32, confidence 6.0 out of 10. This tip won.
A. Vukić
R. Sakamoto
K. Nishikori vs R. Sakamoto, ATP - US Open, New York, USA, Qualifying, 17:10, Finished. Match winner odds: 2.35 for K. Nishikori, 1.64 for R. Sakamoto. AI winner pick: R. Sakamoto, odds 1.64, confidence 6.6 out of 10. This tip won. Predicted score: 3-6, 6-7. Best AI tip: R. Sakamoto, odds 1.64, confidence 6.6 out of 10. This tip won.
K. Nishikori
(WC)
R. Sakamoto
R. Sakamoto vs A. Muller, ATP - US Open, New York, USA, Qualifying, 21:25, Finished. Match winner odds: 1.53 for R. Sakamoto, 2.65 for A. Muller. AI winner pick: R. Sakamoto, odds 1.53, confidence 4.2 out of 10. This tip won. Predicted score: 6-3, 3-6, 6-4. Best AI tip: R. Sakamoto, odds 1.53, confidence 4.2 out of 10. This tip won.
R. Sakamoto
A. Muller
(23)
00:05
Finished
0005
R. Sakamoto
(Q)
F. Tiafoe
(11) 0
3
▴4.45
▾1.25
2
▾1.25
6463363646
O31.5
1.33
4.5/10
21:45
Finished
2145
A. Vukić
R. Sakamoto
2
3
▴2.37
▴1.63
2
▴1.63
64366746
O32.5
▾1.32
6.0/10
17:10
Finished
1710
K. Nishikori
(WC)
R. Sakamoto
0
2
▴2.35
▾1.64
2
▾1.64
3667
2
▾1.64
6.6/10
21:25
Finished
2125
R. Sakamoto
A. Muller
(23) 2
0
▴1.53
▾2.65
1
▴1.53
633664
1
▴1.53
4.2/10
R. Sakamoto vs L. Van Assche, Challenger - Quebec City, Canada, 18:05, Finished. Match winner odds: 2.45 for R. Sakamoto, 1.58 for L. Van Assche. AI winner pick: L. Van Assche, odds 1.58, confidence 5.9 out of 10. This tip won. Predicted score: 4-6, 6-3, 3-6. Best AI tip: L. Van Assche, odds 1.58, confidence 5.9 out of 10. This tip won.
R. Sakamoto
L. Van Assche
(2)
J. Rodionov vs R. Sakamoto, Challenger - Quebec City, Canada, 20:50, Finished. Match winner odds: 2.12 for J. Rodionov, 1.75 for R. Sakamoto. AI winner pick: R. Sakamoto, odds 1.75, confidence 2.0 out of 10. This tip won. Predicted score: 4-6, 6-7. Best AI tip: O21.5, odds 1.62, confidence 5.0 out of 10. This tip lost.
J. Rodionov
R. Sakamoto
18:05
Finished
1805
R. Sakamoto
L. Van Assche
(2) 1
2
▴2.45
▾1.58
2
▾1.58
466336
2
▾1.58
5.9/10
20:50
Finished
2050
J. Rodionov
R. Sakamoto
0
2
▾2.12
▴1.75
2
▴1.75
4667
O21.5
▴1.62
5.0/10
D. Milavsky vs R. Sakamoto, Challenger - Brownsburg, USA, 18:00, Finished. Match winner odds: 2.9 for D. Milavsky, 1.42 for R. Sakamoto. AI winner pick: R. Sakamoto, odds 1.42, confidence 3.4 out of 10. This tip lost. Predicted score: 3-6, 6-7. Best AI tip: R. Sakamoto, odds 1.42, confidence 3.4 out of 10. This tip lost.
D. Milavsky
(WC)
R. Sakamoto
(3)
U. Blanchet vs R. Sakamoto, Challenger - Brownsburg, USA, 16:10, Finished. Match winner odds: 3.9 for U. Blanchet, 1.27 for R. Sakamoto. AI winner pick: R. Sakamoto, odds 1.27, confidence 4.3 out of 10. This tip won. Predicted score: 4-6, 6-7. Best AI tip: O20.5, odds 1.74, confidence 6.4 out of 10. This tip won.
U. Blanchet
R. Sakamoto
18:00
Finished
1800
D. Milavsky
(WC)
R. Sakamoto
(3) 2
0
2.9
1.42
2
1.42
3667
2
1.42
3.4/10
16:10
Finished
1610
U. Blanchet
R. Sakamoto
1
2
▴3.9
▾1.27
2
▾1.27
4667
O20.5
▴1.74
6.4/10
R. Sakamoto vs E. Butvilas, Challenger - Lexington, USA, 17:00, Finished. Match winner odds: 1.76 for R. Sakamoto, 2.2 for E. Butvilas. AI winner pick: R. Sakamoto, odds 1.76, confidence 2.4 out of 10. This tip lost. Predicted score: 2-6, 6-4, 6-3. Best AI tip: O19.5, odds 1.3, confidence 2.6 out of 10. This tip won.
R. Sakamoto
(6)
E. Butvilas
R. Sakamoto vs M. Mmoh, Challenger - Lexington, USA, 17:20, Finished. Match winner odds: 1.88 for R. Sakamoto, 2 for M. Mmoh. AI winner pick: R. Sakamoto, odds 1.88, confidence 1.0 out of 10. This tip won. Predicted score: 3-6, 6-3, 6-4. Best AI tip: O20.5, odds 1.49, confidence 1.0 out of 10. This tip lost.
R. Sakamoto
(6)
M. Mmoh
R. Sakamoto vs A. Mayo, Challenger - Lexington, USA, 19:35, Finished. Match winner odds: 1.73 for R. Sakamoto, 2.1 for A. Mayo. AI winner pick: R. Sakamoto, odds 1.73, confidence 1.7 out of 10. This tip won. Predicted score: 6-4, 3-6, 6-3. Best AI tip: O20.5, odds 1.42, confidence 3.5 out of 10. This tip won.
R. Sakamoto
(6)
A. Mayo
17:00
Finished
1700
R. Sakamoto
(6)
E. Butvilas
1
2
▾1.76
▴2.2
1
▾1.76
266463
O19.5
▾1.3
2.6/10
17:20
Finished
1720
R. Sakamoto
(6)
M. Mmoh
2
0
▾1.88
▴2
1
▾1.88
366364
O20.5
1.49
1.0/10
19:35
Finished
1935
R. Sakamoto
(6)
A. Mayo
2
0
▴1.73
▾2.1
1
▴1.73
643663
O20.5
▾1.42
3.5/10
ATP Wimbledon London GB Qualifying 3rd Round
Grass ATP Wimbledon London GB Qualifying 3rd Round (Grass)
3
J. Faria vs R. Sakamoto, ATP - Wimbledon, London, GB, Qualifying, 3rd Round, 12:10, Finished. Match winner odds: 1.52 for J. Faria, 2.6 for R. Sakamoto. AI winner pick: R. Sakamoto, odds 2.6, confidence 1.5 out of 10. This tip lost. Predicted score: 6-7, 7-6, 6-7. Best AI tip: U47.5, odds 1.28, confidence 7.9 out of 10. This tip won.
J. Faria
R. Sakamoto
A. Dougaz vs R. Sakamoto, ATP - Wimbledon, London, GB, Qualifying, 1st - 2nd, 17:10, Finished. Match winner odds: 2.87 for A. Dougaz, 1.43 for R. Sakamoto. AI winner pick: R. Sakamoto, odds 1.43, confidence 4.8 out of 10. This tip won. Predicted score: 3-6, 7-6, 1-6. Best AI tip: R. Sakamoto, odds 1.43, confidence 4.8 out of 10. This tip won.
A. Dougaz
R. Sakamoto
(27)
A. Matusevich vs R. Sakamoto, ATP - Wimbledon, London, GB, Qualifying, 1st - 2nd, 11:00, Finished. Match winner odds: 2.1 for A. Matusevich, 1.72 for R. Sakamoto. AI winner pick: R. Sakamoto, odds 1.72, confidence 5.5 out of 10. This tip won. Predicted score: 6-7, 3-6. Best AI tip: U26.5, odds 1.55, confidence 5.7 out of 10. This tip lost.
A. Matusevich
R. Sakamoto
12:10
Finished
1210
J. Faria
R. Sakamoto
3
1
▾1.52
▴2.6
2
▴2.6
677667
U47.5
1.28
7.9/10
17:10
Finished
1710
A. Dougaz
R. Sakamoto
(27) 0
2
▴2.87
▾1.43
2
▾1.43
367616
2
▾1.43
4.8/10
11:00
Finished
1100
A. Matusevich
R. Sakamoto
1
2
▴2.1
▴1.72
2
▴1.72
6736
U26.5
▾1.55
5.7/10
A. Molčan vs R. Sakamoto, Challenger - Bordeaux, France, 10:15, Finished. Match winner odds: 1.4 for A. Molčan, 2.9 for R. Sakamoto. AI winner pick: R. Sakamoto, odds 2.9, confidence 1.1 out of 10. This tip lost. Predicted score: 6-3, 3-6, 4-6. Best AI tip: O19.5, odds 1.45, confidence 7.7 out of 10. This tip lost.
A. Molčan
R. Sakamoto
(Q)
R. Sakamoto vs A. Muller, Challenger - Bordeaux, France, 10:30, Finished. Match winner odds: 2.4 for R. Sakamoto, 1.63 for A. Muller. AI winner pick: R. Sakamoto, odds 2.4, confidence 4.8 out of 10. This tip won. Predicted score: 6-4, 6-4. Best AI tip: U25.5, odds 1.6, confidence 6.0 out of 10. This tip lost.
R. Sakamoto
A. Muller
R. Sakamoto vs C. Tseng, Challenger - Bordeaux, France, Qualifying, 10:30, Finished. Match winner odds: 2.45 for R. Sakamoto, 1.64 for C. Tseng. AI winner pick: C. Tseng, odds 1.64, confidence 1.1 out of 10. This tip lost. Predicted score: 4-6, 3-6. Best AI tip: C. Tseng, odds 1.64, confidence 1.1 out of 10. This tip lost.
R. Sakamoto
(3)
C. Tseng
(5)
10:15
Finished
1015
A. Molčan
R. Sakamoto
(Q) 2
0
▾1.4
▴2.9
2
▴2.9
633646
O19.5
1.45
7.7/10
10:30
Finished
1030
R. Sakamoto
A. Muller
2
1
▴2.4
▾1.63
1
▴2.4
6464
U25.5
▾1.6
6.0/10
10:30
Finished
1030
R. Sakamoto
(3)
C. Tseng
(5) 2
0
▴2.45
▾1.64
2
▾1.64
4636
2
▾1.64
1.1/10
Record by surface
Hard
27-12
Clay
6-6
Grass
2-2
Overall
35-20
Our AI on this player
34 correct of 51
From the matches in our database
Most-played opponents
Alexandre Muller
2 meetings
2-0
Chun-Hsin Tseng
2 meetings
1-1
Luca Van Assche
2 meetings
0-2
About Rei Sakamoto
Rei Sakamoto is a 20-year-old right-handed professional tennis player, currently ranked world No. 157. That is below a career-high of world No. 148. The serve is the main weapon: 8 aces per match and 74.3% of first-serve points won over the last 52 weeks. Against serve the numbers sit mid-table — 36.6% of points won, 19.9% of break chances taken. The best surface is comfortably hard: 27-12 there, against 8-8 on everything else.
Results keep swinging: 3 up and 2 down across the last 5. The marathon of the run was 52 games against A. Vukić. More of the matches we cover came at Challenger Lexington USA than anywhere else — 3 of them. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at Challenger Shanghai China.
Serve & Return
First Serve %
62%
1st Serve Won
77.8%
2nd Serve Won
50.8%
Aces / Match
13.1
Double Faults / Match
2.8
Break Pts Saved
47.2%
Break Pts Converted
19.2%
Return Pts Won
36.9%
Service Hold %
67.5%
Total Pts Won
51.5%
Records
Last 12 months
1
Titles
1
Finals
3
Semis or better
29
Events played
Tournament Results
Yokohama, Japan
Challenger
Winner
Brisbane 2, Australia
Challenger
Semi-Finals
New Delhi, India
Challenger
Semi-Finals
Kobe, Japan
Challenger
Quarter-Finals
Lexington, USA
Challenger
Quarter-Finals
Brisbane, Australia
Challenger
Quarter-Finals
Brownsburg, USA
Challenger
Quarter-Finals
Cary, USA
Challenger
Round of 16
Bordeaux, France
Challenger
Round of 16
Monza, Italy
Challenger
Round of 16
Oeiras 3, Portugal
Challenger
Round of 16
Quebec City, Canada
Challenger
Round of 16
Hong Kong Men Singles
ATP
Round of 32
Brest, France
Challenger
Round of 32
Nottingham 2, Great Britain
Challenger
Round of 32
US Open, Men
ATP
Round of 64
Miami
ATP
Round of 64
Australian Open, Men
ATP
Round of 128
Shanghai
ATP
Round of 128
Wimbledon, Men
ATP
Qualifying
ATP Madrid Masters
ATP
Qualifying
Tokyo
ATP
Qualifying
Marrakech
ATP
Qualifying
Cap Cana, Dominican Republic
Challenger
Qualifying
Roland Garros, Men
ATP
Qualifying
Indian Wells
ATP
Qualifying
Chengdu
ATP
Qualifying
Stockholm
ATP
Qualifying
Bratislava, Slovakia
Challenger
Qualifying
Deepest runs first, not by date
Season by season
2026so far
26–16
Won-lost
42
Matches
11–16
Tiebreaks
8.6
Aces / Match
2.3
Double Faults / Match
First Serve %
62.9%
1st Serve Won
73.1%
2nd Serve Won
53.5%
Break points won
39.4%
Break Pts Saved
58.2%
2025
30–24
Won-lost
54
Matches
14–11
Tiebreaks
8.2
Aces / Match
2.3
Double Faults / Match
First Serve %
66.1%
1st Serve Won
71.3%
2nd Serve Won
49.1%
Break points won
35.1%
Break Pts Saved
63%
2024
9–7
Won-lost
16
Matches
3–3
Tiebreaks
5.6
Aces / Match
1.8
Double Faults / Match
First Serve %
58%
1st Serve Won
70.3%
2nd Serve Won
50.7%
Break points won
34.5%
Break Pts Saved
55.4%
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 Rei Sakamoto?
+
Our model has graded 51 matches involving Rei Sakamoto and got 34 right — a hit rate of 66.7%. The 20 most recent are listed below, each with the pick we made and how it finished.
Who has Rei Sakamoto played most often?
+
Of the matches we cover, Rei Sakamoto has met Alexandre Muller most often — 2 times, with a 2-0 record.