Player research cockpit

KeiNishikori

TennisJack analysis

Kei Nishikori currently has a useful TennisJack sample of 21 completed matches, with a 52.4% win rate in the loaded match history. The recent form line is 4-6 across the latest 10 completed matches.

Latest rank #477

Matches21Completed matches

Win rate52.4%Across all matches

Latest form4-6In latest 10 matches

Index statusReview candidateProfile confidence

Performance metrics

Hold Base75.3%

Break Pressure25.6%

Latest form (10 matches)

4-6

L W L W L L L W W L

Surface profile

Hardcourt outdoor

Canonical/players/kei-nishikori/

Index statusReview candidate

Last updatedData from TennisJack

Profile intelligence

Ten signals worth watching.

Built from 21 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.

Balanced starts Break-heavy player Close-set risk Stable server

Set 1 punch47.6%

Service shield75.3%

Return bite25.6%

Decider risk47.6%

Favorite / Underdog Split

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

Favorite 66.7% 4-2 - 6 matches Avg odds 1.47 | 1+ set 66.7%

Underdog 50.0% 1-1 - 2 matches Avg odds 2.15 | 1+ set 50.0%

First Set Personality

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

Set 1 win47.6%

Breaks first S155.6%

Broken first S144.4%

Recovers S10.0%

Break Pressure Profile

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

Avg breaks3.29

Avg broken3.05

Balance0.24

Clean service matches14.3%

3+ breaks produced61.9%

Set 2 win47.6%

Clean Win / Comeback Index

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

45.5%Clean 2-0 share among wins

Clean 2-0 wins5

Comeback signals8

Lost set 1, won match3

Comeback index38.1%

Surface Edge

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

Primary surfaceHardcourt outdoor

Primary record5-6

Primary WR45.5%

Best surfaceClay 60.0%

Hardcourt outdoor5-645.5%

Clay3-260.0%

Hardcourt indoor3-260.0%

Odds Value Pulse

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

Avg win odds1.55

Avg loss odds1.78

Biggest win odds1.91

2.00+ odds WR0.0%

2.00+ sample1

Odds sample8

Decider Profile

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

Three-set share47.6%

Decider record6-4

Set 3 win60.0%

After losing S127.3%

Close Set Risk

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

Close sets11-12

Close-set WR47.8%

Tie-breaks2-3

Matches with tight set13

Momentum Trend

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

Stable form · 1 losses running

L W L W L L L W W L

Latest 5 WR40.0%

Previous 10 WR50.0%

Latest 52-3

Previous 105-5

Trend delta-10.0%

Latest 5 WR40.0%

Match log

All Kei Nishikori 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
28.08.2026Round 19	Kei Nishikori vs Rei SakamotoUS Open	4-6 6-7Hardcourt outdoor	Loss	Hold 81.8% Break 8.3%
26.08.2026Round 15	Kei Nishikori vs Michael AntoniusUS Open	6-4 6-4Hardcourt outdoor	Win	Hold 80.0% Break 40.0%
25.08.2026Round 14	Kei Nishikori vs Sebastian OfnerUS Open	6-1 2-6 6-2Hardcourt outdoor	Win	Hold 83.3% Break 36.4%
13.08.2026Round 15	Kei Nishikori vs Marco TrungellitiATP Cincinnati	6-4 5-7 3-6Hardcourt outdoor	Loss	Hold 53.3% Break 37.5%
01.08.2026Round 14	Kei Nishikori vs Michael ZhengATP Montreal	3-6 1-6Hardcourt outdoor	Loss	Hold 37.5% Break 14.3%
29.07.2026R16	Kei Nishikori vs Rafael JodarATP Washington	3-6 2-6Hardcourt outdoor	Loss	Hold 62.5% Break 0.0%
27.07.2026R32	Kei Nishikori vs Juncheng ShangATP Washington	6-7 6-3 6-4Hardcourt outdoor	Win	Hold 100.0% Break 12.5%
22.04.2026R16	Kei Nishikori vs Jack KennedyChallenger Savannah	3-6 7-6 0-6Clay	Loss	Hold 42.9% Break 23.1%
21.04.2026R32	Kei Nishikori vs Colton SmithChallenger Savannah	6-2 6-3Clay	Win	Hold 87.5% Break 55.6%
09.04.2026R16	Kei Nishikori vs Yibing WuChallenger Sarasota	3-6 6-3 1-6Clay	Loss	Hold 58.3% Break 23.1%
07.04.2026R32	Kei Nishikori vs Nicolas KickerChallenger Sarasota	6-3 6-2Clay	Win	Hold 100.0% Break 37.5%
09.03.2026R32	Kei Nishikori vs Clement TaburChallenger Cherbourg	6-7 4-6Hardcourt indoor	Loss	Hold 81.8% Break 8.3%
04.03.2026R16	Kei Nishikori vs Nicolai Budkov KjaerChallenger Thionville	6-3 4-6 2-6Hardcourt indoor	Loss	Hold 76.9% Break 15.4%
03.03.2026R32	Kei Nishikori vs Clement TaburChallenger Thionville	7-5 4-6 6-2Hardcourt indoor	Win	Hold 86.7% Break 26.7%
02.03.2026Round 19	Kei Nishikori vs Jelle SelsChallenger Thionville	7-6 4-6 6-4Hardcourt indoor	Win	Hold 75.0% Break 23.5%
01.03.2026Round 14	Kei Nishikori vs Daniel JadeChallenger Thionville	6-2 6-3Hardcourt indoor	Win	Hold 100.0% Break 37.5%
21.11.2025QF	Kei Nishikori vs Kaichi UchidaChallenger Yokohama	2-6 2-6Hardcourt outdoor	Loss	Hold 50.0% Break 0.0%
20.11.2025R16	Kei Nishikori vs Sanhui ShinChallenger Yokohama	6-4 6-1Hardcourt outdoor	Win	Hold 75.0% Break 66.7%
18.11.2025R32	Kei Nishikori vs Taisei IchikawaChallenger Yokohama	4-6 6-1 6-1Hardcourt outdoor	Win	Hold 91.7% Break 41.7%
08.08.2025R128	Kei Nishikori vs Camilo Ugo CarabelliATP Cincinnati	5-7 3-6Hardcourt outdoor	Loss	Hold 70.0% Break 9.1%
19.05.2025R32	Kei Nishikori vs Learner TienATP Geneva	4-6 6-4 6-4Clay	Win	Hold 86.7% Break 20.0%