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Rei Sakamoto tennis player profile visual with TennisJack stats and match analysis
TJPlayer research cockpit

Rei Sakamoto

TennisJack analysis

Rei Sakamoto currently has a large TennisJack sample of 58 completed matches, with a 56.9% win rate in the loaded match history. The recent form line is 5-5 across the latest 10 completed matches.

Latest rank #148
M
Matches58Completed matches
%
Win rate56.9%Across all matches
F
Latest form5-5In latest 10 matches
Performance metrics
Hold Base81.2%
Break Pressure21.5%
Latest form (10 matches)
5-5
W Oldest W 2 L 3 L 4 L 5 W 6 W 7 L 8 W 9 L Latest
Surface profile
Hardcourt outdoor 36 matches · 61.1% WR
Japan flag
CountryJapanCountry profile
PlayRightRight-handed
Highest Rank#148Singles career high
Age / Birthday20Born 24 Jun 2006
Profile intelligence

Ten signals worth watching.

Built from 58 completed TennisJack matches: form, surface, odds, pressure and close-set behavior. The full match log stays below for audit.

01

Player DNA

Quick fingerprint from starts, service base, return bite and decider exposure.

Balanced starts Stable server
Set 1 punch48.3%
Service shield81.2%
Return bite21.5%
Decider risk32.8%
02

Favorite / Underdog Split

How the player behaves when priced as market favorite versus outsider.

Favorite 74.2% 23-8 - 31 matches Avg odds 1.42 | 1+ set 77.4%
Underdog 35.0% 7-13 - 20 matches Avg odds 2.99 | 1+ set 55.0%
03

First Set Personality

Shows whether the player starts cleanly, breaks first, or survives early pressure.

Set 1 win48.3%
Breaks first S155.1%
Broken first S144.9%
Recovers S14.5%
04

Break Pressure Profile

Return damage versus service leakage, built from set-level break counters.

Avg breaks2.03
Avg broken1.74
Balance0.29
Clean service matches31.0%
3+ breaks produced34.5%
Set 2 win55.2%
05

Clean Win / Comeback Index

Separates smooth 2-0 wins from matches where the player had to repair damage.

51.5%Clean 2-0 share among wins
Clean 2-0 wins17
Comeback signals29
Lost set 1, won match7
Comeback index50.0%
06

Surface Edge

Where the profile is most trustworthy and where the win rate really travels.

Primary surfaceHardcourt outdoor
Primary record22-14
Primary WR61.1%
Best surfaceHardcourt outdoor 61.1%
Hardcourt outdoor22-1461.1%
Clay9-660.0%
Grass2-250.0%
Hardcourt indoor0-30.0%
07

Odds Value Pulse

Shows whether the player wins as expected or creates value at outsider prices.

Avg win odds1.61
Avg loss odds2.64
Biggest win odds3.00
2.00+ odds WR35.3%
2.00+ sample17
Odds sample51
08

Decider Profile

How often matches become complicated, and whether the player survives the third set.

Three-set share32.8%
Decider record12-7
Set 3 win68.4%
After losing S123.3%
09

Close Set Risk

Tie-break and 7-5 / 7-6 pressure profile, useful for spotting fragile edges.

Close sets41-36
Close-set WR53.2%
Tie-breaks13-17
Matches with tight set50
10

Momentum Trend

Compares the latest 5 matches with the previous 10 so form shifts are visible immediately.

Stable form · 1 losses running
W oldest W 2 L 3 L 4 L 5 W 6 W 7 L 8 W 9 L latest
Latest 5 3-2 60.0% WR
Trend delta +0.0% latest vs previous sample
Match log

All Rei Sakamoto matches in the TennisJack sample.

Scan date, tournament, surface, players, odds, final score, result and service-return indicators from completed matches.

Open Player Research
Loss
02.07.2026R16
Challenger CaryHardcourt outdoor
Rei Sakamoto
vs
Timo Legout
1.22
4.00
4-6 3-6
Hold
70.0%
Break
0.0%
Win
30.06.2026R32
Challenger CaryHardcourt outdoor
Rei Sakamoto
vs
Jules Leroux
1.06
8.00
6-3 6-7 6-2
Hold
92.9%
Break
31.2%
Loss
14.06.2026R32
Challenger NottinghamGrass
Rei Sakamoto
vs
Yibing Wu
2.75
1.40
5-7 1-6
Hold
55.6%
Break
10.0%
Win
10.03.2026Round 14
Challenger Cap CanaHardcourt outdoor
Rei Sakamoto
vs
Liam Draxl
1.50
2.50
6-3 7-5
Hold
90.9%
Break
30.0%
Loss
03.03.2026Round 14
ATP Indian WellsHardcourt outdoor
Vit Kopriva
vs
Rei Sakamoto
2.25
1.57
6-4 7-6
Hold
90.9%
Break
0.0%
Win
20.02.2026QF
Challenger New DelhiHardcourt outdoor
Federico Cina
vs
Rei Sakamoto
2.38
1.53
7-6 3-6 2-6
Hold
86.7%
Break
33.3%
Win
19.02.2026R16
Challenger New DelhiHardcourt outdoor
Alastair Gray
vs
Rei Sakamoto
3.40
1.30
6-1 1-6 4-6
Hold
75.0%
Break
33.3%
Win
13.02.2026QF
Challenger BrisbaneHardcourt outdoor
Rei Sakamoto
vs
Li Tu
1.33
3.25
7-6 6-4
Hold
81.8%
Break
25.0%
Win
04.02.2026R16
Challenger BrisbaneHardcourt outdoor
Rei Sakamoto
vs
Taro Daniel
1.30
3.40
7-6 6-2
Hold
-
Break
-
Loss
20.01.2026R128
Australian OpenHardcourt outdoor
Rei Sakamoto
vs
Rafael Jodar
-
-
6-7 1-6 7-5 6-4 3-6
Hold
-
Break
-
Win
23.11.2025Final
Challenger YokohamaHardcourt outdoor
Kaichi Uchida
vs
Rei Sakamoto
2.63
1.44
6-4 6-7 4-6
Hold
86.7%
Break
11.8%
Loss
20.10.2025R32
Challenger BrestHardcourt indoor
Mae Malige
vs
Rei Sakamoto
2.63
1.44
7-5 6-1
Hold
66.7%
Break
0.0%
Loss
11.10.2025Round 14
ATP StockholmHardcourt indoor
Rei Sakamoto
vs
Mark Lajal
2.38
1.53
1-6 4-6
Hold
50.0%
Break
11.1%
Win
22.09.2025Round 14
ATP TokyoHardcourt outdoor
Rei Sakamoto
vs
Adam Walton
2.75
1.40
6-2 6-4
Hold
100.0%
Break
33.3%
Loss
21.08.2025Round 15
US OpenHardcourt outdoor
Rei Sakamoto
vs
Ignacio Buse
2.00
1.73
4-6 6-4 4-6
Hold
66.7%
Break
26.7%
Win
20.08.2025Round 14
US OpenHardcourt outdoor
Tyler Zink
vs
Rei Sakamoto
2.63
1.44
6-4 5-7 6-7
Hold
82.3%
Break
16.7%
Loss
12.08.2025R32
Challenger SumterHardcourt outdoor
Kaylan Bigun
vs
Rei Sakamoto
3.50
1.29
6-3 6-1
Hold
50.0%
Break
0.0%