TJPlayer research cockpit

Hiromasa Koyama

TennisJack analysis

Hiromasa Koyama currently has a useful TennisJack sample of 24 completed matches, with a 37.5% win rate in the loaded match history. The recent form line is 5-5 across the latest 10 completed matches.

Latest rank #1371
M
Matches24Completed matches
%
Win rate37.5%Across all matches
F
Latest form5-5In latest 10 matches
Performance metrics
Hold Base62.7%
Break Pressure25.9%
Latest form (10 matches)
5-5
W Oldest W 2 L 3 W 4 W 5 W 6 L 7 L 8 L 9 L Latest
Surface profile
Hardcourt outdoor 14 matches · 28.6% WR
Japan flag
CountryJapanCountry profile
PlayRightRight-handed
Highest Rank#1083Singles career high
Age / BirthdayPendingBirthday not listed
Profile intelligence

Ten signals worth watching.

Built from 24 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 Break-heavy player
Set 1 punch45.8%
Service shield62.7%
Return bite25.9%
Decider risk20.8%
02

Favorite / Underdog Split

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

Favorite 33.3% 2-4 - 6 matches Avg odds 1.53 | 1+ set 66.7%
Underdog 35.7% 5-9 - 14 matches Avg odds 3.39 | 1+ set 42.9%
03

First Set Personality

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

Set 1 win45.8%
Breaks first S152.2%
Broken first S147.8%
Recovers S118.2%
04

Break Pressure Profile

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

Avg breaks2.38
Avg broken3.25
Balance-0.88
Clean service matches20.8%
3+ breaks produced41.7%
Set 2 win33.3%
05

Clean Win / Comeback Index

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

33.3%Clean 2-0 share among wins
Clean 2-0 wins3
Comeback signals7
Lost set 1, won match0
Comeback index29.2%
06

Surface Edge

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

Primary surfaceHardcourt outdoor
Primary record4-10
Primary WR28.6%
Best surfaceClay 62.5%
Hardcourt outdoor4-1028.6%
Clay5-362.5%
Hardcourt indoor0-20.0%
07

Odds Value Pulse

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

Avg win odds2.35
Avg loss odds3.10
Biggest win odds3.40
2.00+ odds WR35.7%
2.00+ sample14
Odds sample20
08

Decider Profile

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

Three-set share20.8%
Decider record2-3
Set 3 win40.0%
After losing S10.0%
09

Close Set Risk

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

Close sets11-11
Close-set WR50.0%
Tie-breaks7-4
Matches with tight set16
10

Momentum Trend

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

Cooling down · 4 losses running
W oldest W 2 L 3 W 4 W 5 W 6 L 7 L 8 L 9 L latest
Latest 5 1-4 20.0% WR
Trend delta -40.0% latest vs previous sample
Match log

All Hiromasa Koyama matches in the TennisJack sample.

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

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