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TJPlayer research cockpit

Kei Nishikori

TennisJack analysis

Kei Nishikori currently has a early TennisJack sample of 14 completed matches, with a 57.1% win rate in the loaded match history. The recent form line is 5-5 across the latest 10 completed matches.

Latest rank #464
M
Matches14Completed matches
%
Win rate57.1%Across all matches
F
Latest form5-5In latest 10 matches
Performance metrics
Hold Base77.3%
Break Pressure27.7%
Latest form (10 matches)
5-5
L Oldest W 2 W 3 W 4 L 5 L 6 W 7 L 8 W 9 L Latest
Surface profile
Clay 5 matches · 60.0% WR
Japan flag
CountryJapanCountry profile
PlayRightRight-handed
Highest Rank#4Singles career high
Age / Birthday36Born 29 Dec 1989
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.

Balanced starts Break-heavy player Close-set risk Stable server
Set 1 punch50.0%
Service shield77.3%
Return bite27.7%
Decider risk50.0%
02

Favorite / Underdog Split

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

Favorite 66.7% 6-3 - 9 matches Avg odds 1.32 | 1+ set 66.7%
Underdog 40.0% 2-3 - 5 matches Avg odds 2.20 | 1+ set 100.0%
03

First Set Personality

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

Set 1 win50.0%
Breaks first S153.8%
Broken first S146.2%
Recovers S10.0%
04

Break Pressure Profile

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

Avg breaks3.64
Avg broken3.07
Balance0.57
Clean service matches14.3%
3+ breaks produced71.4%
Set 2 win57.1%
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 wins4
Comeback signals6
Lost set 1, won match2
Comeback index42.9%
06

Surface Edge

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

Primary surfaceClay
Primary record3-2
Primary WR60.0%
Best surfaceClay 60.0%
Clay3-260.0%
Hardcourt indoor3-260.0%
Hardcourt outdoor2-250.0%
07

Odds Value Pulse

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

Avg win odds1.43
Avg loss odds1.90
Biggest win odds2.25
2.00+ odds WR33.3%
2.00+ sample3
Odds sample14
08

Decider Profile

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

Three-set share50.0%
Decider record4-3
Set 3 win57.1%
After losing S128.6%
09

Close Set Risk

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

Close sets7-8
Close-set WR46.7%
Tie-breaks2-1
Matches with tight set9
10

Momentum Trend

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

Cooling down · 1 losses running
L oldest W 2 W 3 W 4 L 5 L 6 W 7 L 8 W 9 L latest
Latest 5 2-3 40.0% WR
Trend delta -26.7% latest vs previous sample
Match log

All Kei Nishikori 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
10.04.2026R16
Challenger SarasotaClay
Yibing Wu
vs
Kei Nishikori
1.62
2.20
6-3 3-6 6-1
Hold
58.3%
Break
23.1%
Win
03.03.2026R32
Challenger ThionvilleHardcourt indoor
Clement Tabur
vs
Kei Nishikori
1.53
2.38
5-7 6-4 2-6
Hold
86.7%
Break
26.7%
Win
02.03.2026Round 19
Challenger ThionvilleHardcourt indoor
Kei Nishikori
vs
Jelle Sels
1.22
4.00
7-6 4-6 6-4
Hold
75.0%
Break
23.5%
Win
01.03.2026Round 14
Challenger ThionvilleHardcourt indoor
Kei Nishikori
vs
Daniel Jade
1.10
6.50
6-2 6-3
Hold
100.0%
Break
37.5%
Win
20.11.2025R16
Challenger YokohamaHardcourt outdoor
Kei Nishikori
vs
Sanhui Shin
1.14
5.50
6-4 6-1
Hold
75.0%
Break
66.7%