TJPlayer research cockpit

Aya Kumagai

TennisJack analysis

Aya Kumagai currently has a early TennisJack sample of 14 completed matches, with a 7.1% win rate in the loaded match history. The recent form line is 0-10 across the latest 10 completed matches.

Latest rank -
M
Matches14Completed matches
%
Win rate7.1%Across all matches
F
Latest form0-10In latest 10 matches
Performance metrics
Hold Base-
Break Pressure-
Latest form (10 matches)
0-10
L Oldest L 2 L 3 L 4 L 5 L 6 L 7 L 8 L 9 L Latest
Surface profile
Hardcourt outdoor 14 matches · 7.1% WR
CountryPendingCountry not listed
PlayPendingHand not listed
Highest RankPendingSingles high not listed
Age / BirthdayPendingBirthday not listed
Profile intelligence

Ten signals worth watching.

Built from 14 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.

Slow starter Close-set risk
Set 1 punch35.7%
Service shield-
Return bite-
Decider risk42.9%
02

Favorite / Underdog Split

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

Favorite - 0-0 - 0 matches Avg odds - | 1+ set -
Underdog - 0-0 - 0 matches Avg odds - | 1+ set -
03

First Set Personality

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

Set 1 win35.7%
Breaks first S1-
Broken first S1-
Recovers S1-
04

Break Pressure Profile

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

Avg breaks0.00
Avg broken0.00
Balance0.00
Clean service matches100.0%
3+ breaks produced0.0%
Set 2 win7.1%
05

Clean Win / Comeback Index

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

0.0%Clean 2-0 share among wins
Clean 2-0 wins0
Comeback signals0
Lost set 1, won match0
Comeback index0.0%
06

Surface Edge

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

Primary surfaceHardcourt outdoor
Primary record1-13
Primary WR7.1%
Best surfaceHardcourt outdoor 7.1%
Hardcourt outdoor1-137.1%
07

Odds Value Pulse

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

Avg win odds-
Avg loss odds-
Biggest win odds-
2.00+ odds WR-
2.00+ sample0
Odds sample0
08

Decider Profile

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

Three-set share42.9%
Decider record1-5
Set 3 win16.7%
After losing S10.0%
09

Close Set Risk

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

Close sets5-4
Close-set WR55.6%
Tie-breaks0-0
Matches with tight set8
10

Momentum Trend

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

Stable form · 13 losses running
L oldest L 2 L 3 L 4 L 5 L 6 L 7 L 8 L 9 L latest
Latest 5 0-5 0.0% WR
Trend delta -11.1% latest vs previous sample
Match log

All Aya Kumagai 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
09.01.2026Round 53
UTR Pro Yokohama WomenHardcourt outdoor
vs
-
-
6-2 4-6 7-5
Hold
-
Break
-
Loss
08.01.2026SF
UTR Pro Yokohama WomenHardcourt outdoor
vs
-
-
6-4 1-6 3-6
Hold
-
Break
-
Loss
07.01.2026
UTR Pro Yokohama WomenHardcourt outdoor
vs
-
-
0-6 0-6
Hold
-
Break
-
Loss
05.01.2026
UTR Pro Yokohama WomenHardcourt outdoor
vs
-
-
6-4 2-6 2-6
Hold
-
Break
-
Loss
27.12.2025SF
UTR Pro Kawaguchi WomenHardcourt outdoor
vs
-
-
6-2 5-7 1-6
Hold
-
Break
-
Loss
23.12.2025
UTR Pro Kawaguchi WomenHardcourt outdoor
vs
-
-
0-6 0-6
Hold
-
Break
-