KN
ATP · Rank #436
ATP · Rank #436
Kei Nishikori
36yrs
1.78 m
73 kg
Right
#4Peak Rank
72.2%Accuracy
18
Matches Analyzed
Recent Form
LWWWL
Recent & Upcoming
Tap a match for full analysis
K. Nishikori vs R. Sakamoto, ATP - US Open, New York, USA, Qualifying, 17:10, Finished. Match winner odds: 2.35 for K. Nishikori, 1.64 for R. Sakamoto. AI winner pick: R. Sakamoto, odds 1.64, confidence 6.6 out of 10. This tip won. Predicted score: 3-6, 6-7. Best AI tip: R. Sakamoto, odds 1.64, confidence 6.6 out of 10. This tip won.
K. Nishikori
(WC)
R. Sakamoto
K. Nishikori vs M. Antonius, ATP - US Open, New York, USA, Qualifying, 22:15, Finished. Match winner odds: 1.59 for K. Nishikori, 2.65 for M. Antonius. AI winner pick: M. Antonius, odds 2.65, confidence 1.6 out of 10. This tip lost. Predicted score: 1-6, 6-3, 6-7. Best AI tip: O20.5, odds 1.55, confidence 7.6 out of 10. This tip lost.
K. Nishikori
(WC)
M. Antonius
(WC)
S. Ofner vs K. Nishikori, ATP - US Open, New York, USA, Qualifying, 16:00, Finished. Match winner odds: 2 for S. Ofner, 1.95 for K. Nishikori. AI winner pick: S. Ofner, odds 2, confidence 1.8 out of 10. This tip lost. Predicted score: 4-6, 6-3, 6-2. Best AI tip: O19.5, odds 1.27, confidence 2.1 out of 10. This tip won.
S. Ofner
K. Nishikori
17:10
Finished
1710
K. Nishikori
(WC)
R. Sakamoto
0
2
▴2.35
▾1.64
2
▾1.64
3667
2
▾1.64
6.6/10
22:15
Finished
2215
K. Nishikori
(WC)
M. Antonius
(WC) 2
0
1.59
2.65
2
2.65
166367
O20.5
1.55
7.6/10
16:00
Finished
1600
S. Ofner
K. Nishikori
1
2
▾2
▴1.95
1
▾2
466362
O19.5
▾1.27
2.1/10
R. Jódar vs K. Nishikori, ATP - Washington, USA, 00:45, Finished. Match winner odds: 1.2 for R. Jódar, 5.1 for K. Nishikori. AI winner pick: R. Jódar, odds 1.2, confidence 6.9 out of 10. This tip won. Predicted score: 6-1, 3-6, 6-4. Best AI tip: R. Jódar, odds 1.2, confidence 6.9 out of 10. This tip won.
R. Jódar
K. Nishikori
(WC)
K. Nishikori vs J. Shang, ATP - Washington, USA, 22:00, Finished. Match winner odds: 2.27 for K. Nishikori, 1.68 for J. Shang. AI winner pick: J. Shang, odds 1.68, confidence 5.9 out of 10. This tip lost. Predicted score: 4-6, 6-3, 6-7. Best AI tip: J. Shang, odds 1.68, confidence 5.9 out of 10. This tip lost.
K. Nishikori
J. Shang
00:45
Finished
0045
R. Jódar
K. Nishikori
(WC) 2
0
▾1.2
▴5.1
1
▾1.2
613664
1
▾1.2
6.9/10
22:00
Finished
2200
K. Nishikori
J. Shang
2
1
▾2.27
▴1.68
2
▴1.68
466367
2
▴1.68
5.9/10
J. Kennedy vs K. Nishikori, Challenger - Savannah, USA, 17:40, Finished. Match winner odds: 3.25 for J. Kennedy, 1.36 for K. Nishikori. AI winner pick: K. Nishikori, odds 1.36, confidence 2.4 out of 10. This tip lost. Predicted score: 2-6, 6-3, 3-6. Best AI tip: O20.5, odds 1.8, confidence 5.4 out of 10. This tip won.
J. Kennedy
K. Nishikori
(WC)
K. Nishikori vs C. Smith, Challenger - Savannah, USA, 01:05, Finished. Match winner odds: 1.4 for K. Nishikori, 3.1 for C. Smith. AI winner pick: K. Nishikori, odds 1.4, confidence 4.8 out of 10. This tip won. Predicted score: 6-4, 3-6, 6-2. Best AI tip: K. Nishikori, odds 1.4, confidence 4.8 out of 10. This tip won.
K. Nishikori
C. Smith
17:40
Finished
1740
J. Kennedy
K. Nishikori
(WC) 2
1
▴3.25
▾1.36
2
▾1.36
266336
O20.5
▴1.8
5.4/10
01:05
Finished
0105
K. Nishikori
C. Smith
2
0
▴1.4
▾3.1
1
▴1.4
643662
1
▴1.4
4.8/10
Challenger Cherbourg - en - Cotentin France
Hard Challenger Cherbourg - en - Cotentin France (Hard)
1
N. Budkov Kjaer vs K. Nishikori, Challenger - Thionville, France, 16:45, Finished. Match winner odds: 1.47 for N. Budkov Kjaer, 2.72 for K. Nishikori. AI winner pick: N. Budkov Kjaer, odds 1.47, confidence 4.7 out of 10. This tip won. Predicted score: 6-3, 6-2. Best AI tip: U24.5, odds 1.53, confidence 9.5 out of 10. This tip lost.
N. Budkov Kjaer
(6)
K. Nishikori
(Q)
C. Tabur vs K. Nishikori, Challenger - Thionville, France, 13:05, Finished. Match winner odds: 1.54 for C. Tabur, 2.42 for K. Nishikori. AI winner pick: C. Tabur, odds 1.54, confidence 5.8 out of 10. This tip lost. Predicted score: 6-2, 2-6, 7-5. Best AI tip: O19.5, odds 1.39, confidence 8.8 out of 10. This tip won.
C. Tabur
(A)
K. Nishikori
K. Nishikori vs J. Sels, Challenger - Thionville, France, Qualifying, 11:10, Finished. Match winner odds: 1.25 for K. Nishikori, 3.75 for J. Sels. AI winner pick: K. Nishikori, odds 1.25, confidence 4.3 out of 10. This tip won. Predicted score: 7-5, 2-6, 6-0. Best AI tip: K. Nishikori, odds 1.25, confidence 4.3 out of 10. This tip won.
K. Nishikori
(6)
J. Sels
(9)
K. Nishikori vs D. Jade, Challenger - Thionville, France, Qualifying, 11:45, Finished. Match winner odds: 1.12 for K. Nishikori, 5.75 for D. Jade. AI winner pick: K. Nishikori, odds 1.12, confidence 8.0 out of 10. This tip won. Predicted score: 1-6, 6-3, 6-4. Best AI tip: K. Nishikori, odds 1.12, confidence 8.0 out of 10. This tip won.
K. Nishikori
D. Jade
16:45
Finished
1645
N. Budkov Kjaer
(6)
K. Nishikori
(Q) 2
1
▾1.47
▴2.72
1
▾1.47
6362
U24.5
▾1.53
9.5/10
13:05
Finished
1305
C. Tabur
(A)
K. Nishikori
1
2
▾1.54
▴2.42
1
▾1.54
622675
O19.5
▾1.39
8.8/10
11:10
Finished
1110
K. Nishikori
(6)
J. Sels
(9) 2
1
▴1.25
▾3.75
1
▴1.25
752660
1
▴1.25
4.3/10
11:45
Finished
1145
K. Nishikori
D. Jade
2
0
1.12
5.75
1
1.12
166364
1
1.12
8.0/10
K. Nishikori vs K. Uchida, Challenger - Yokohama, Japan, 04:15, Finished. Match winner odds: 1.25 for K. Nishikori, 3.95 for K. Uchida. AI winner pick: K. Nishikori, odds 1.25, confidence 7.2 out of 10. This tip lost. Predicted score: 3-6, 6-3, 6-4. Best AI tip: K. Nishikori, odds 1.25, confidence 7.2 out of 10. This tip lost.
K. Nishikori
(1)
K. Uchida
K. Nishikori vs S. Shin, Challenger - Yokohama, Japan, 03:40, Finished. Match winner odds: 1.16 for K. Nishikori, 5.5 for S. Shin. AI winner pick: K. Nishikori, odds 1.16, confidence 6.4 out of 10. This tip won. Predicted score: 2-6, 6-2, 6-4. Best AI tip: O17.5, odds 1.42, confidence 7.3 out of 10. This tip lost.
K. Nishikori
(1)
S. Shin
K. Nishikori vs T. Ichikawa, Challenger - Yokohama, Japan, 03:20, Finished. Match winner odds: 1.13 for K. Nishikori, 6.3 for T. Ichikawa. AI winner pick: K. Nishikori, odds 1.13, confidence 8.0 out of 10. This tip won. Predicted score: 0-6, 6-2, 7-5. Best AI tip: K. Nishikori, odds 1.13, confidence 8.0 out of 10. This tip won.
K. Nishikori
(1)
T. Ichikawa
04:15
Finished
0415
K. Nishikori
(1)
K. Uchida
0
2
▾1.25
▴3.95
1
▾1.25
366364
1
▾1.25
7.2/10
03:40
Finished
0340
K. Nishikori
(1)
S. Shin
2
0
▾1.16
▴5.5
1
▾1.16
266264
O17.5
▴1.42
7.3/10
03:20
Finished
0320
K. Nishikori
(1)
T. Ichikawa
2
1
▾1.13
▴6.3
1
▾1.13
066275
1
▾1.13
8.0/10
Record by surface
Hard
9-6
Clay
2-1
Overall
11-7
Our AI on this player
13 correct of 18
From the matches in our database
Most-played opponents
Clement Tabur
2 meetings
1-1
About Kei Nishikori
Kei Nishikori is a 36-year-old right-handed professional tennis player, currently ranked world No. 436. That is below a career-high of world No. 4. Over the last 52 weeks the serve has landed 64.5% of first deliveries, winning 67.7% of those points. Against serve the numbers sit mid-table — 38% of points won, 24.7% of break chances taken. The record is spread evenly across surfaces — Hard 9-6, Clay 2-1.
Results keep swinging: 3 up and 2 down across the last 5. The longest match we have on record ran to 33 games, against J. Sels. Predictions cover match winner and score, alongside serve, return and break-point statistics. Most recently seen in our data at ATP Tokyo Japan.
Serve & Return
First Serve %
67.3%
1st Serve Won
64.8%
2nd Serve Won
45%
Aces / Match
1.7
Double Faults / Match
3
Break Pts Saved
47.7%
Break Pts Converted
25.7%
Return Pts Won
39%
Service Hold %
58.3%
Total Pts Won
48.8%
Records
Last 12 months
0
Titles
0
Finals
0
Semis or better
10
Events played
Tournament Results
Yokohama, Japan
Challenger
Quarter-Finals
Washington
ATP
Round of 16
Sarasota, USA
Challenger
Round of 16
Savannah, USA
Challenger
Round of 16
Thionville, France
Challenger
Round of 16
Canberra, Australia
Challenger
Round of 32
Cherbourg, France
Challenger
Round of 32
US Open, Men
ATP
Qualifying
Cincinnati
ATP
Qualifying
Montreal
ATP
Qualifying
Deepest runs first, not by date
Season by season
2026so far
6–8
Won-lost
14
Matches
1–3
Tiebreaks
1.9
Aces / Match
2.9
Double Faults / Match
First Serve %
65.4%
1st Serve Won
64.5%
2nd Serve Won
48.2%
Break points won
36.8%
Break Pts Saved
48.1%
2025
14–11
Won-lost
25
Matches
1–1
Tiebreaks
2.4
Aces / Match
1.5
Double Faults / Match
First Serve %
65.1%
1st Serve Won
66.8%
2nd Serve Won
48%
Break points won
46.4%
Break Pts Saved
64%
2024
19–11
Won-lost
30
Matches
2–5
Tiebreaks
1.9
Aces / Match
1.8
Double Faults / Match
First Serve %
66.7%
1st Serve Won
64.4%
2nd Serve Won
54.7%
Break points won
40.4%
Break Pts Saved
63.3%
2023
2–1
Won-lost
3
Matches
3–0
Tiebreaks
1.7
Aces / Match
1.3
Double Faults / Match
First Serve %
76.9%
1st Serve Won
73.1%
2nd Serve Won
50%
Break points won
23.1%
Break Pts Saved
54.5%
Season totals from the tour feed, singles only. The won-lost line is the tour's own count and can differ from the record under Predictions, which counts the matches we cover. A dash means the season holds nothing to measure that figure from.
Frequently Asked Questions
How accurate are the AI predictions for Kei Nishikori?
+
Our model has graded 18 matches involving Kei Nishikori and got 13 right — a hit rate of 72.2%. Every completed pick stays on the page, so the figure can be checked.
Who has Kei Nishikori played most often?
+
Of the matches we cover, Kei Nishikori has met Clement Tabur most often — 2 times, with a 1-1 record.