Player research cockpit

AiYamaguchi

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 -

Matches19Completed matches

Win rate63.2%Across all matches

Latest form7-3In latest 10 matches

Index statusNeeds enrichmentProfile confidence

Performance metrics

Hold Base64.2%

Break Pressure54.5%

Latest form (10 matches)

7-3

W L L W W W L W W W

Surface profile

Hardcourt outdoor

Canonical/players/ai-yamaguchi/

Index statusNeeds enrichment

Last updatedData from TennisJack

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.

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%

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%

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%

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%

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%

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%

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

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%

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

Momentum Trend

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

Heating up · 3 wins running

W L L W W W L W W 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 Ai Yamaguchi 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
06.02.2026	Ai Yamaguchi vs Yui OhwakiUTR Pro Yokohama Women	6-2 6-3Hardcourt outdoor	Win	Hold 77.8% Break 62.5%
04.02.2026	Ai Yamaguchi vs Emi NakajimaUTR Pro Yokohama Women	6-0 6-0Hardcourt outdoor	Win	Hold 100.0% Break 100.0%
03.02.2026	Ai Yamaguchi vs Yui ChikaraishiUTR Pro Yokohama Women	6-1 6-1Hardcourt outdoor	Win	Hold 100.0% Break 66.7%
02.02.2026	Ai Yamaguchi vs Yui KomadaUTR Pro Yokohama Women	0-6 6-1 1-6Hardcourt outdoor	Loss	Hold - Break -
18.01.2026Final	Ai Yamaguchi vs Yukina SaigoUTR Pro Yokohama Women	6-0 6-2Hardcourt outdoor	Win	Hold 85.7% Break 83.3%
17.01.2026SF	Ai Yamaguchi vs Yui ChikaraishiUTR Pro Yokohama Women	6-2 6-3Hardcourt outdoor	Win	Hold 88.9% Break 50.0%
16.01.2026	Ai Yamaguchi vs Yuka MatsumotoUTR Pro Yokohama Women	6-3 6-3Hardcourt outdoor	Win	Hold 66.7% Break 66.7%
15.01.2026	Ai Yamaguchi vs Mua ShigetaUTR Pro Yokohama Women	6-3 6-7 1-6Hardcourt outdoor	Loss	Hold 40.0% Break 50.0%
14.01.2026	Ai Yamaguchi vs Ayumi MiyamotoUTR Pro Yokohama Women	6-7 2-6Hardcourt outdoor	Loss	Hold 60.0% Break 18.2%
13.01.2026	Ai Yamaguchi vs Nana KawagishiUTR Pro Yokohama Women	1-6 6-1 6-2Hardcourt outdoor	Win	Hold 45.5% Break 72.7%
09.01.2026Round 53	Ai Yamaguchi vs Himari SatoUTR Pro Yokohama Women	6-4 6-3Hardcourt outdoor	Win	Hold 70.0% Break 55.6%
08.01.2026SF	Ai Yamaguchi vs Yui OhwakiUTR Pro Yokohama Women	4-6 3-6Hardcourt outdoor	Loss	Hold 30.0% Break 44.4%
07.01.2026	Ai Yamaguchi vs Nana KawagishiUTR Pro Yokohama Women	4-6 4-6Hardcourt outdoor	Loss	Hold 50.0% Break 30.0%
06.01.2026	Ai Yamaguchi vs Mua ShigetaUTR Pro Yokohama Women	6-0 6-4Hardcourt outdoor	Win	Hold 87.5% Break 62.5%
21.12.2025SF	Ai Yamaguchi vs Yuka NaitoUTR Pro Kawaguchi Women	1-6 1-6Hardcourt outdoor	Loss	Hold 14.3% Break 14.3%
18.12.2025	Ai Yamaguchi vs Azusa IshiiUTR Pro Kawaguchi Women	7-5 6-1Hardcourt outdoor	Win	Hold 60.0% Break 77.8%
17.12.2025	Ai Yamaguchi vs Ayane TakagiUTR Pro Kawaguchi Women	6-4 6-1Hardcourt outdoor	Win	Hold - Break -
16.12.2025	Ai Yamaguchi vs Mua ShigetaUTR Pro Kawaguchi Women	6-4 6-4Hardcourt outdoor	Win	Hold 70.0% Break 50.0%
15.12.2025	Ai Yamaguchi vs Kurumi TamuraUTR Pro Kawaguchi Women	2-6 4-6Hardcourt outdoor	Loss	Hold 44.4% Break 22.2%