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Rei Sakamoto

24/06/2006 · right-handed

Global Elo

1823

Record

18-18

ATP / Tour Record

Wins
18
Losses
18
Matches
36

Challenger Record

Wins
61
Losses
40
Matches
101

Elo and Record by Surface

Clay 1736
Wins
2
Losses
2
Matches
4

Challenger

Wins
10
Losses
7
Matches
17
Hard 1796
Wins
14
Losses
15
Matches
29

Challenger

Wins
51
Losses
32
Matches
83
Grass 1501
Wins
2
Losses
1
Matches
3

Challenger

Wins
0
Losses
1
Matches
1

Elo Over Time

1863 1447
2023-11-13 2026-09-08 · 1854

137 matches in this range.

Performance vs. the Odds

Career record grouped by how big a favorite the market made Rei Sakamoto, based on their average odds.

Heavy favorite (odds below 1.30) 4W–2L · 66.7%
Favorite (odds 1.30-1.80) 7W–2L · 77.8%
Even match (odds 1.80-2.20) 1W–1L · 50.0%
Underdog (odds 2.20-4.00) 0W–2L · 0.0%
Heavy underdog (odds above 4.00) 0W–0L · 0.0%

19 matches with market odds since 2026-06-22.

Serve & Return

Serve and return win rates from the last 10 matches at the selected level.

1st Serve In % 60.7%
1st Serve Points Won % 76.0%
2nd Serve Points Won % 51.3%
Return Points Won vs 1st Serve % 21.9%
Return Points Won vs 2nd Serve % 46.7%
Aces per Service Game 0.61
Double Faults per Service Game 0.22

Based on the last 10 ATP/Grand Slam matches.

1st Serve In % 58.8%
1st Serve Points Won % 75.9%
2nd Serve Points Won % 54.5%
Return Points Won vs 1st Serve % 25.5%
Return Points Won vs 2nd Serve % 40.8%
Aces per Service Game 0.42
Double Faults per Service Game 0.39

Based on the last 10 Challenger matches.

Break Point Performance

How the player handles the biggest points, from the last 10 matches at the selected level.

Break Points Saved % 57.5%
Break Points Converted % 34.6%

Based on the last 10 ATP/Grand Slam matches.

Break Points Saved % 60.4%
Break Points Converted % 45.0%

Based on the last 10 Challenger matches.

Recent Matches

L Hard Shanghai challenger · 1. round · 2026-09-08

vs Ji Sung Nam #1038

7-6 6-4

Rei Sakamoto Ji Sung Nam
3 Aces 7
0 Double Faults 2
66 Service Points 60
41 First Serve In 30
30 First Serve Won 24
16 Second Serve Won 14
3 Break Points Saved 2
5 Break Points Faced 5
- Winners -
- Unforced Errors -
1.1 Average Odds 8.5
L Hard US Open · 2. round · 2026-09-03

vs Frances Tiafoe #12

6-3 7-6 7-5

Rei Sakamoto Frances Tiafoe
7 Aces 19
4 Double Faults 3
118 Service Points 99
75 First Serve In 58
53 First Serve Won 42
24 Second Serve Won 20
3 Break Points Saved 4
5 Break Points Faced 8
23 Winners 38
18 Unforced Errors 40
4.0 Average Odds 1.2
W Hard US Open · 1. round · 2026-08-31

vs Aleksandar Vukic #96

6-4 6-7 6-4 3-6 6-4

Rei Sakamoto Aleksandar Vukic
22 Aces 38
5 Double Faults 3
147 Service Points 149
85 First Serve In 105
71 First Serve Won 83
30 Second Serve Won 25
5 Break Points Saved 0
8 Break Points Faced 2
50 Winners 76
29 Unforced Errors 34
1.6 Average Odds 2.4
W Hard US Open · qualification - 3. round · 2026-08-28

vs Kei Nishikori #477

6-4 7-6

Rei Sakamoto Kei Nishikori
0 Aces 19
4 Double Faults 1
88 Service Points 60
51 First Serve In 37
32 First Serve Won 31
17 Second Serve Won 13
4 Break Points Saved 0
6 Break Points Faced 1
14 Winners 33
25 Unforced Errors 16
1.7 Average Odds 2.1
W Hard US Open · qualification - 2. round · 2026-08-26

vs Alexandre Muller #138

6-3 6-3

Rei Sakamoto Alexandre Muller
8 Aces 6
1 Double Faults 2
54 Service Points 58
38 First Serve In 33
30 First Serve Won 20
9 Second Serve Won 12
0 Break Points Saved 4
0 Break Points Faced 7
28 Winners 12
14 Unforced Errors 11
1.4 Average Odds 2.7
W Hard US Open · qualification - 1. round · 2026-08-25

vs Jay Clarke #239

4-6 6-3 6-4

Rei Sakamoto Jay Clarke
2 Aces 18
2 Double Faults 7
96 Service Points 89
56 First Serve In 48
41 First Serve Won 40
14 Second Serve Won 20
3 Break Points Saved 4
7 Break Points Faced 7
- Winners -
- Unforced Errors -
1.3 Average Odds 3.7
L Hard Quebec City challenger · R16 · 2026-08-20

vs Luca Van Assche #54

4-6 6-4 7-6

Rei Sakamoto Luca Van Assche
3 Aces 8
13 Double Faults 3
107 Service Points 95
67 First Serve In 57
47 First Serve Won 44
19 Second Serve Won 16
5 Break Points Saved 3
9 Break Points Faced 7
- Winners -
- Unforced Errors -
2.1 Average Odds 1.6
W Hard Quebec City challenger · 1. round · 2026-08-18

vs Jurij Rodionov #134

6-1 6-4

Rei Sakamoto Jurij Rodionov
3 Aces 3
5 Double Faults 2
62 Service Points 59
28 First Serve In 43
19 First Serve Won 32
15 Second Serve Won 8
8 Break Points Saved 2
11 Break Points Faced 2
- Winners -
- Unforced Errors -
1.6 Average Odds 2.1
L Hard Brownsburg challenger · QF · 2026-08-14

vs Daniel Milavsky #306

6-3 6-3

Rei Sakamoto Daniel Milavsky
4 Aces 5
4 Double Faults 3
58 Service Points 60
32 First Serve In 35
25 First Serve Won 25
7 Second Serve Won 17
2 Break Points Saved 5
5 Break Points Faced 5
- Winners -
- Unforced Errors -
1.4 Average Odds 2.7
W Hard Brownsburg challenger · 1. round · 2026-08-13

vs Ugo Blanchet #190

6-7 7-6 7-6

Rei Sakamoto Ugo Blanchet
3 Aces 18
7 Double Faults 5
125 Service Points 129
59 First Serve In 81
47 First Serve Won 57
35 Second Serve Won 25
6 Break Points Saved 5
8 Break Points Faced 7
- Winners -
- Unforced Errors -
1.2 Average Odds 3.8