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TJPlayer research cockpit

Ai Yamaguchi

TennisJack analysis

Ai Yamaguchi currently has a early TennisJack sample of 19 completed matches, with a 63.2% win rate in the loaded match history. The recent form line is 7-3 across the latest 10 completed matches.

Latest rank -
M
Matches19Completed matches
%
Win rate63.2%Across all matches
F
Latest form7-3In latest 10 matches
Performance metrics
Hold Base64.2%
Break Pressure54.5%
Latest form (10 matches)
7-3
W Oldest L 2 L 3 W 4 W 5 W 6 L 7 W 8 W 9 W Latest
Surface profile
Hardcourt outdoor 19 matches · 63.2% WR
CountryPendingCountry not listed
PlayPendingHand not listed
Highest RankPendingSingles high not listed
Age / BirthdayPendingBirthday not listed
Profile intelligence

Ten signals worth watching.

Built from 19 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.

Strong starter Break-heavy player
Set 1 punch63.2%
Service shield64.2%
Return bite54.5%
Decider risk15.8%
02

Favorite / Underdog Split

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

Favorite 77.8% 7-2 - 9 matches Avg odds 1.46 | 1+ set 88.9%
Underdog 50.0% 4-4 - 8 matches Avg odds 2.77 | 1+ set 50.0%
03

First Set Personality

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

Set 1 win63.2%
Breaks first S152.9%
Broken first S147.1%
Recovers S150.0%
04

Break Pressure Profile

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

Avg breaks4.16
Avg broken3.16
Balance1.00
Clean service matches21.1%
3+ breaks produced73.7%
Set 2 win68.4%
05

Clean Win / Comeback Index

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

50.0%Clean 2-0 share among wins
Clean 2-0 wins6
Comeback signals13
Lost set 1, won match1
Comeback index68.4%
06

Surface Edge

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

Primary surfaceHardcourt outdoor
Primary record12-7
Primary WR63.2%
Best surfaceHardcourt outdoor 63.2%
Hardcourt outdoor12-763.2%
07

Odds Value Pulse

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

Avg win odds1.75
Avg loss odds2.69
Biggest win odds2.75
2.00+ odds WR50.0%
2.00+ sample8
Odds sample17
08

Decider Profile

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

Three-set share15.8%
Decider record1-2
Set 3 win33.3%
After losing S114.3%
09

Close Set Risk

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

Close sets6-6
Close-set WR50.0%
Tie-breaks0-2
Matches with tight set10
10

Momentum Trend

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

Heating up · 3 wins running
W oldest L 2 L 3 W 4 W 5 W 6 L 7 W 8 W 9 W latest
Latest 5 4-1 80.0% WR
Trend delta +30.0% latest vs previous sample
Match log

All Ai Yamaguchi matches in the TennisJack sample.

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

Open Player Research
Win
06.02.2026
UTR Pro Yokohama WomenHardcourt outdoor
Ai Yamaguchi
vs
Yui Ohwaki
1.57
2.25
6-2 6-3
Hold
77.8%
Break
62.5%
Win
04.02.2026
UTR Pro Yokohama WomenHardcourt outdoor
Ai Yamaguchi
vs
Emi Nakajima
1.17
4.50
6-0 6-0
Hold
100.0%
Break
100.0%
Loss
02.02.2026
UTR Pro Yokohama WomenHardcourt outdoor
Yui Komada
vs
Ai Yamaguchi
-
-
6-0 1-6 6-1
Hold
-
Break
-
Win
18.01.2026Final
UTR Pro Yokohama WomenHardcourt outdoor
Ai Yamaguchi
vs
Yukina Saigo
1.40
2.75
6-0 6-2
Hold
85.7%
Break
83.3%
Loss
15.01.2026
UTR Pro Yokohama WomenHardcourt outdoor
Ai Yamaguchi
vs
Mua Shigeta
1.50
2.50
6-3 6-7 1-6
Hold
40.0%
Break
50.0%
Win
13.01.2026
UTR Pro Yokohama WomenHardcourt outdoor
Nana Kawagishi
vs
Ai Yamaguchi
1.40
2.75
6-1 1-6 2-6
Hold
45.5%
Break
72.7%
Win
09.01.2026Round 53
UTR Pro Yokohama WomenHardcourt outdoor
Himari Sato
vs
Ai Yamaguchi
1.62
2.20
4-6 3-6
Hold
70.0%
Break
55.6%
Loss
08.01.2026SF
UTR Pro Yokohama WomenHardcourt outdoor
Yui Ohwaki
vs
Ai Yamaguchi
1.83
1.83
6-4 6-3
Hold
30.0%
Break
44.4%
Win
06.01.2026
UTR Pro Yokohama WomenHardcourt outdoor
Ai Yamaguchi
vs
Mua Shigeta
1.62
2.20
6-0 6-4
Hold
87.5%
Break
62.5%
Loss
21.12.2025SF
UTR Pro Kawaguchi WomenHardcourt outdoor
Yuka Naito
vs
Ai Yamaguchi
1.22
4.00
6-1 6-1
Hold
14.3%
Break
14.3%
Win
18.12.2025
UTR Pro Kawaguchi WomenHardcourt outdoor
Ai Yamaguchi
vs
Azusa Ishii
2.20
1.62
7-5 6-1
Hold
60.0%
Break
77.8%
Win
16.12.2025
UTR Pro Kawaguchi WomenHardcourt outdoor
Ai Yamaguchi
vs
Mua Shigeta
2.50
1.50
6-4 6-4
Hold
70.0%
Break
50.0%
Loss
15.12.2025
UTR Pro Kawaguchi WomenHardcourt outdoor
Ai Yamaguchi
vs
Kurumi Tamura
3.75
1.25
2-6 4-6
Hold
44.4%
Break
22.2%