Player research cockpit

Yu JinAhn

TennisJack analysis

Yu Jin Ahn currently has a useful TennisJack sample of 30 completed matches, with a 40.0% win rate in the loaded match history. The recent form line is 3-7 across the latest 10 completed matches.

Latest rank #1059

Matches30Completed matches

Win rate40.0%Across all matches

Latest form3-7In latest 10 matches

Index statusReview candidateProfile confidence

Performance metrics

Hold Base53.8%

Break Pressure42.8%

Latest form (10 matches)

3-7

L W W L L L L L W L

Surface profile

Hardcourt outdoor

Canonical/players/yu-jin-ahn/

Index statusReview candidate

Last updatedData from TennisJack

Profile intelligence

Ten signals worth watching.

Built from 30 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.

Slow starter Break-heavy player

Set 1 punch40.0%

Service shield53.8%

Return bite42.8%

Decider risk26.7%

Favorite / Underdog Split

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

Favorite 78.6% 11-3 - 14 matches Avg odds 1.43 | 1+ set 92.9%

Underdog 7.7% 1-12 - 13 matches Avg odds 3.32 | 1+ set 15.4%

First Set Personality

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

Set 1 win40.0%

Breaks first S162.1%

Broken first S137.9%

Recovers S118.2%

Break Pressure Profile

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

Avg breaks4.47

Avg broken4.97

Balance-0.50

Clean service matches0.0%

3+ breaks produced83.3%

Set 2 win40.0%

Clean Win / Comeback Index

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

41.7%Clean 2-0 share among wins

Clean 2-0 wins5

Comeback signals11

Lost set 1, won match2

Comeback index36.7%

Surface Edge

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

Primary surfaceHardcourt outdoor

Primary record11-11

Primary WR50.0%

Best surfaceHardcourt outdoor 50.0%

Hardcourt outdoor11-1150.0%

Unknown1-325.0%

Hardcourt indoor0-40.0%

Odds Value Pulse

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

Avg win odds1.45

Avg loss odds3.05

Biggest win odds1.95

2.00+ odds WR0.0%

2.00+ sample12

Odds sample27

Decider Profile

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

Three-set share26.7%

Decider record4-4

Set 3 win50.0%

After losing S111.1%

Close Set Risk

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

Close sets7-18

Close-set WR28.0%

Tie-breaks3-4

Matches with tight set17

Momentum Trend

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

Cooling down · 1 losses running

L W W L L L L L W L

Latest 5 WR20.0%

Previous 10 WR60.0%

Latest 51-4

Previous 106-4

Trend delta-40.0%

Latest 5 WR20.0%

Match log

All Yu Jin Ahn 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
09.09.2026	Yu Jin Ahn vs Thasaporn NakloW15 Yeongwol	6-4 1-6 6-7Surface pending	Loss	Hold 50.0% Break 37.5%
07.09.2026	Yu Jin Ahn vs Yui OhwakiW15 Yeongwol	6-3 6-2Surface pending	Win	Hold 62.5% Break 77.8%
01.09.2026	Yu Jin Ahn vs Sunam JeongW15 Yeongwol	1-6 4-6Surface pending	Loss	Hold 25.0% Break 33.3%
18.08.2026	Yu Jin Ahn vs Yujin KimW15 Tianjin	3-6 3-6Surface pending	Loss	Hold 22.2% Break 44.4%
01.07.2026	Yu Jin Ahn vs Chengyiyi YuanW15 Maanshan	6-2 5-7 0-6Hardcourt indoor	Loss	Hold 30.8% Break 53.9%
24.06.2026	Yu Jin Ahn vs Chenting ZhuW15 Maanshan	2-6 2-6Hardcourt indoor	Loss	Hold 37.5% Break 12.5%
15.05.2026	Yu Jin Ahn vs JiaYi WangW15 Luan	1-6 3-6Hardcourt outdoor	Loss	Hold 37.5% Break 12.5%
14.05.2026	Yu Jin Ahn vs Xiran LanW15 Luan	6-3 6-0Hardcourt outdoor	Win	Hold 87.5% Break 71.4%
13.05.2026	Yu Jin Ahn vs Lingyou GeW15 Luan	6-4 6-2Hardcourt outdoor	Win	Hold 77.8% Break 55.6%
08.05.2026	Yu Jin Ahn vs Ruirui ZouW15 Luan	4-6 5-7Hardcourt outdoor	Loss	Hold 27.3% Break 54.5%
07.05.2026	Yu Jin Ahn vs Liuyan AnW15 Luan	6-3 6-3Hardcourt outdoor	Win	Hold 77.8% Break 55.6%
05.05.2026	Yu Jin Ahn vs Xiao TangW15 Luan	3-6 7-6 6-4Hardcourt outdoor	Win	Hold 43.8% Break 50.0%
30.04.2026	Yu Jin Ahn vs Jaeda DanielW35 Goyang	1-6 2-6Hardcourt outdoor	Loss	Hold 0.0% Break 37.5%
29.04.2026	Yu Jin Ahn vs Ui Su JeongW35 Goyang	5-7 6-3 6-1Hardcourt outdoor	Win	Hold 64.3% Break 57.1%
27.04.2026	Yu Jin Ahn vs Natalia FehrW35 Goyang	6-1 6-0Hardcourt outdoor	Win	Hold 85.7% Break 100.0%
21.04.2026	Yu Jin Ahn vs Ha Eum LeeW15 Singapore	2-6 3-6Hardcourt indoor	Loss	Hold 50.0% Break 11.1%
15.04.2026	Yu Jin Ahn vs Chia Yi TsaoW15 Singapore	4-6 6-7Hardcourt indoor	Loss	Hold 63.6% Break 25.0%
21.09.2025	Yu Jin Ahn vs Misaki MatsudaITF W100 Incheon	4-6 3-6Hardcourt outdoor	Loss	Hold 70.0% Break 0.0%
10.09.2025	Yu Jin Ahn vs Yujin KimITF W15 Yeongwol	1-6 6-7Hardcourt outdoor	Loss	Hold 44.4% Break 27.3%
03.09.2025	Yu Jin Ahn vs Ui Su JeongITF W15 Yeongwol	4-6 3-6Hardcourt outdoor	Loss	Hold 44.4% Break 30.0%
28.08.2025	Yu Jin Ahn vs Meiling WangITF W15 Luan	6-7 5-7Hardcourt outdoor	Loss	Hold 50.0% Break 38.5%
27.08.2025	Yu Jin Ahn vs Ekaterina KuznetsovaITF W15 Luan	6-3 6-0Hardcourt outdoor	Win	Hold 87.5% Break 71.4%
21.08.2025	Yu Jin Ahn vs Kristiana SidorovaITF W15 Luan	3-6 2-5Hardcourt outdoor	Loss	Hold 50.0% Break 11.1%
20.08.2025	Yu Jin Ahn vs Seo Yun ChoiITF W15 Luan	6-3 6-0Hardcourt outdoor	Win	Hold 85.7% Break 75.0%
14.06.2025	Yu Jin Ahn vs Varvara PanshinaITF W15 Tashkent	4-6 4-6Hardcourt outdoor	Loss	Hold 50.0% Break 30.0%
13.06.2025	Yu Jin Ahn vs Akanksha Dileep NittureITF W15 Tashkent	7-6 4-6 6-3Hardcourt outdoor	Win	Hold 68.8% Break 31.2%
12.06.2025	Yu Jin Ahn vs Anastasiya KrymkovaITF W15 Tashkent	6-3 5-3Hardcourt outdoor	Win	Hold 88.9% Break 44.4%
11.06.2025	Yu Jin Ahn vs Elina NepliyITF W15 Tashkent	6-3 0-6 7-6Hardcourt outdoor	Win	Hold 50.0% Break 35.7%
04.06.2025	Yu Jin Ahn vs Diana YakovlevaITF W15 Tashkent	2-6 6-4 5-7Hardcourt outdoor	Loss	Hold 60.0% Break 26.7%
29.05.2025	Yu Jin Ahn vs Gaeul JangITF W15 Daegu	4-6 6-3 3-5Hardcourt outdoor	Loss	Hold 21.4% Break 71.4%