Player research cockpit

HiiroSakamoto

TennisJack analysis

Hiiro Sakamoto currently has a useful TennisJack sample of 42 completed matches, with a 66.7% win rate in the loaded match history. The recent form line is 7-3 across the latest 10 completed matches.

Latest rank -

Matches42Completed matches

Win rate66.7%Across all matches

Latest form7-3In latest 10 matches

Index statusReview candidateProfile confidence

Performance metrics

Hold Base69.0%

Break Pressure36.4%

Latest form (10 matches)

7-3

W W W L L W W W L W

Surface profile

Hardcourt outdoor

Canonical/players/hiiro-sakamoto/

Index statusReview candidate

Last updatedData from TennisJack

Profile intelligence

Ten signals worth watching.

Built from 42 completed TennisJack matches: form, surface, odds, pressure and close-set behavior. The full match log stays below for audit.

Player DNA

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

Strong starter Break-heavy player

Set 1 punch64.3%

Service shield69.0%

Return bite36.4%

Decider risk26.2%

Favorite / Underdog Split

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

Favorite 86.7% 13-2 - 15 matches Avg odds 1.37 | 1+ set 93.3%

Underdog 33.3% 2-4 - 6 matches Avg odds 3.28 | 1+ set 66.7%

First Set Personality

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

Set 1 win64.3%

Breaks first S154.3%

Broken first S145.7%

Recovers S125.0%

Break Pressure Profile

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

Avg breaks3.17

Avg broken2.69

Balance0.48

Clean service matches21.4%

3+ breaks produced61.9%

Set 2 win66.7%

Clean Win / Comeback Index

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

60.7%Clean 2-0 share among wins

Clean 2-0 wins17

Comeback signals27

Lost set 1, won match4

Comeback index64.3%

Surface Edge

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

Primary surfaceHardcourt outdoor

Primary record28-13

Primary WR68.3%

Best surfaceHardcourt outdoor 68.3%

Hardcourt outdoor28-1368.3%

Unknown0-10.0%

Odds Value Pulse

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

Avg win odds1.75

Avg loss odds2.34

Biggest win odds6.50

2.00+ odds WR33.3%

2.00+ sample6

Odds sample21

Decider Profile

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

Three-set share26.2%

Decider record6-5

Set 3 win54.5%

After losing S126.7%

Close Set Risk

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

Close sets25-12

Close-set WR67.6%

Tie-breaks1-4

Matches with tight set28

Momentum Trend

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

Heating up · 1 wins running

W W W L L W W W L W

Latest 5 WR80.0%

Previous 10 WR50.0%

Latest 54-1

Previous 105-5

Trend delta+30.0%

Latest 5 WR80.0%

Match log

All Hiiro Sakamoto matches in the TennisJack sample.

Scan date, tournament, surface, opponent, set score, result and service-return indicators before opening the deeper tools.

Open Player Research

Date	Match	Score	Result	Hold / Break
19.07.2026Round 53	Hiiro Sakamoto vs Ryotaro MatsumuraUTR Pro Kawaguchi	2-6 6-3 6-4Hardcourt outdoor	Win	Hold 57.1% Break 46.1%
18.07.2026SF	Hiiro Sakamoto vs Naoki NakagawaUTR Pro Kawaguchi	4-6 2-6Hardcourt outdoor	Loss	Hold 55.6% Break 11.1%
17.07.2026QF	Hiiro Sakamoto vs Quinn SnyderUTR Pro Kawaguchi	6-2 7-5Hardcourt outdoor	Win	Hold 90.0% Break 40.0%
15.07.2026	Hiiro Sakamoto vs Nuutti JokinenUTR Pro Kawaguchi	6-4 6-2Hardcourt outdoor	Win	Hold 77.8% Break 55.6%
14.07.2026	Hiiro Sakamoto vs Naoto TomizawaUTR Pro Kawaguchi	6-3 6-2Hardcourt outdoor	Win	Hold 50.0% Break 88.9%
13.07.2026	Hiiro Sakamoto vs Yuga TashiroUTR Pro Kawaguchi	6-4 3-6 4-6Hardcourt outdoor	Loss	Hold 71.4% Break 20.0%
08.07.2026	Hiiro Sakamoto vs James Van HerzeeleM15 Wuning	2-6 2-6Surface pending	Loss	Hold 25.0% Break 25.0%
24.06.2026Final	Hiiro Sakamoto vs Diordan MacababbadUTR Pro Kawaguchi	6-4 7-5Hardcourt outdoor	Win	Hold - Break -
24.06.2026SF	Hiiro Sakamoto vs Naoto TomizawaUTR Pro Kawaguchi	7-5 4-6 6-3Hardcourt outdoor	Win	Hold 75.0% Break 33.3%
23.06.2026	Hiiro Sakamoto vs Kazuma KawachiUTR Pro Kawaguchi	7-5 6-1Hardcourt outdoor	Win	Hold 80.0% Break 55.6%
22.06.2026	Hiiro Sakamoto vs Corban CrowtherUTR Pro Kawaguchi	3-6 0-6Hardcourt outdoor	Loss	Hold 28.6% Break 12.5%
22.06.2026	Hiiro Sakamoto vs Asahi HarazakiUTR Pro Kawaguchi	1-6 4-6Hardcourt outdoor	Loss	Hold 50.0% Break 11.1%
04.06.2026SF	Hiiro Sakamoto vs Kosuke NakanishiUTR Pro Kakogawa	6-4 6-4Hardcourt outdoor	Win	Hold 90.0% Break 30.0%
03.06.2026	Hiiro Sakamoto vs Toa MaedaUTR Pro Kakogawa	6-4 6-2Hardcourt outdoor	Win	Hold - Break -
01.06.2026	Hiiro Sakamoto vs Hugo HashimotoUTR Pro Kakogawa	3-6 6-7Hardcourt outdoor	Loss	Hold 63.6% Break 18.2%
01.06.2026	Hiiro Sakamoto vs Elijah ChamUTR Pro Kakogawa	3-6 0-6Hardcourt outdoor	Loss	Hold 42.9% Break 0.0%
22.05.2026Final	Hiiro Sakamoto vs Aryan Jit SinghUTR Pro Kakogawa	6-1 3-6 6-3Hardcourt outdoor	Win	Hold 84.6% Break 33.3%
20.05.2026SF	Hiiro Sakamoto vs Christopher Kosei OnoUTR Pro Kakogawa	6-4 7-5Hardcourt outdoor	Win	Hold 72.7% Break 45.5%
19.05.2026	Hiiro Sakamoto vs Masato TanakaUTR Pro Kakogawa	6-3 6-3Hardcourt outdoor	Win	Hold - Break -
19.05.2026	Hiiro Sakamoto vs Kabir ChhabriaUTR Pro Kakogawa	6-2 6-3Hardcourt outdoor	Win	Hold 87.5% Break 55.6%
18.05.2026	Hiiro Sakamoto vs Tomoki FujiwaraUTR Pro Kakogawa	6-3 1-6 4-6Hardcourt outdoor	Loss	Hold - Break -
21.12.2025Final	Hiiro Sakamoto vs Taiyo SatoUTR Pro Kawaguchi	4-6 6-4 3-6Hardcourt outdoor	Loss	Hold 53.3% Break 35.7%
19.12.2025	Hiiro Sakamoto vs Dorian KosUTR Pro Kawaguchi	6-1 7-5Hardcourt outdoor	Win	Hold 80.0% Break 55.6%
18.12.2025	Hiiro Sakamoto vs Kotaro MochizukiUTR Pro Kawaguchi	2-6 2-6Hardcourt outdoor	Loss	Hold 25.0% Break 25.0%
17.12.2025	Hiiro Sakamoto vs Daiki YoshimuraUTR Pro Kawaguchi	4-6 6-3 7-6Hardcourt outdoor	Win	Hold 68.8% Break 31.2%
15.12.2025	Hiiro Sakamoto vs Ammar ElaminUTR Pro Kawaguchi	7-5 3-6 3-6Hardcourt outdoor	Loss	Hold 60.0% Break 26.7%
05.07.2025SF	Hiiro Sakamoto vs Bang Shuo YinUTR Pro Taiwan	2-6 7-5 6-1Hardcourt outdoor	Win	Hold 78.6% Break 30.8%
04.07.2025	Hiiro Sakamoto vs Arjun MehrotraUTR Pro Taiwan	6-3 6-0Hardcourt outdoor	Win	Hold 87.5% Break 71.4%
03.07.2025	Hiiro Sakamoto vs Jay FaircloughUTR Pro Taiwan	6-7 3-6Hardcourt outdoor	Loss	Hold 70.0% Break 16.7%
01.07.2025	Hiiro Sakamoto vs Jerome EstephanUTR Pro Taiwan	6-4 6-4Hardcourt outdoor	Win	Hold 70.0% Break 50.0%
30.06.2025	Hiiro Sakamoto vs Hung-Yi YehUTR Pro Taiwan	6-2 6-3Hardcourt outdoor	Win	Hold - Break -
21.06.2025SF	Hiiro Sakamoto vs Ryotaro MatsumuraUTR Pro Fukui	4-6 6-7Hardcourt outdoor	Loss	Hold 54.5% Break 33.3%
20.06.2025	Hiiro Sakamoto vs Haruki OkudeUTR Pro Fukui	6-1 6-2Hardcourt outdoor	Win	Hold - Break -
19.06.2025	Hiiro Sakamoto vs Christopher Kosei OnoUTR Pro Fukui	6-3 6-4Hardcourt outdoor	Win	Hold 66.7% Break 60.0%
17.06.2025	Hiiro Sakamoto vs Kosuke NakanishiUTR Pro Fukui	1-6 6-3 6-4Hardcourt outdoor	Win	Hold 69.2% Break 30.8%
16.06.2025	Hiiro Sakamoto vs Luca ConnaughtonUTR Pro Fukui	6-3 6-4Hardcourt outdoor	Win	Hold 100.0% Break 22.2%
14.06.2025Final	Hiiro Sakamoto vs Chen Hui HoUTR Pro Taiwan	1-6 6-2 6-7Hardcourt outdoor	Loss	Hold 61.5% Break 33.3%
12.06.2025SF	Hiiro Sakamoto vs Isaac BecroftUTR Pro Taiwan	6-2 6-2Hardcourt outdoor	Win	Hold 100.0% Break 50.0%
11.06.2025	Hiiro Sakamoto vs Yu-Shun LaiUTR Pro Taiwan	6-3 6-2Hardcourt outdoor	Win	Hold 88.9% Break 50.0%
10.06.2025	Hiiro Sakamoto vs Fei Yun LiaoUTR Pro Taiwan	6-4 6-3Hardcourt outdoor	Win	Hold 88.9% Break 40.0%
09.06.2025	Hiiro Sakamoto vs Ryusei MiyazatoUTR Pro Taiwan	6-3 7-5Hardcourt outdoor	Win	Hold 90.9% Break 30.0%
08.06.2025	Hiiro Sakamoto vs Brendan MiddletonUTR Pro Taiwan	6-1 6-0Hardcourt outdoor	Win	Hold - Break -