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Kei Nishikori

29/12/1989 · right-handed

Global Elo

1892

Record

492-249

ATP / Tour Record

Wins
492
Losses
249
Matches
741

Challenger Record

Wins
78
Losses
30
Matches
108

Elo and Record by Surface

Clay 1856
Wins
110
Losses
55
Matches
165

Challenger

Wins
25
Losses
7
Matches
32
Hard 1863
Wins
333
Losses
165
Matches
498

Challenger

Wins
53
Losses
21
Matches
74
Grass 1737
Wins
48
Losses
29
Matches
77

Challenger

Wins
0
Losses
1
Matches
1

Elo Over Time

2217 1473
2006-03-06 2026-08-28 · 1904

849 matches in this range.

Performance vs. the Odds

Career record grouped by how big a favorite the market made Kei Nishikori, based on their average odds.

Heavy favorite (odds below 1.30) 0W–0L · 0.0%
Favorite (odds 1.30-1.80) 1W–1L · 50.0%
Even match (odds 1.80-2.20) 2W–1L · 66.7%
Underdog (odds 2.20-4.00) 1W–1L · 50.0%
Heavy underdog (odds above 4.00) 0W–1L · 0.0%

8 matches with market odds since 2026-07-27.

Serve & Return

Serve and return win rates from the last 10 matches at the selected level.

1st Serve In % 60.6%
1st Serve Points Won % 69.9%
2nd Serve Points Won % 47.7%
Return Points Won vs 1st Serve % 30.6%
Return Points Won vs 2nd Serve % 50.4%
Aces per Service Game 0.35
Double Faults per Service Game 0.21

Based on the last 10 ATP/Grand Slam matches.

1st Serve In % 61.9%
1st Serve Points Won % 68.5%
2nd Serve Points Won % 53.9%
Return Points Won vs 1st Serve % 29.3%
Return Points Won vs 2nd Serve % 50.0%
Aces per Service Game 0.22
Double Faults per Service Game 0.23

Based on the last 10 Challenger matches.

Break Point Performance

How the player handles the biggest points, from the last 10 matches at the selected level.

Break Points Saved % 55.1%
Break Points Converted % 31.6%

Based on the last 10 ATP/Grand Slam matches.

Break Points Saved % 48.1%
Break Points Converted % 47.5%

Based on the last 10 Challenger matches.

Recent Matches

L Hard US Open · qualification - 3. round · 2026-08-28

vs Rei Sakamoto #157

6-4 7-6

Kei Nishikori Rei Sakamoto
19 Aces 0
1 Double Faults 4
60 Service Points 88
37 First Serve In 51
31 First Serve Won 32
13 Second Serve Won 17
0 Break Points Saved 4
1 Break Points Faced 6
33 Winners 14
16 Unforced Errors 25
2.1 Average Odds 1.7
W Hard US Open · qualification - 2. round · 2026-08-26

vs Michael Antonius #670

6-4 6-4

Kei Nishikori Michael Antonius
1 Aces 0
0 Double Faults 3
52 Service Points 60
37 First Serve In 38
28 First Serve Won 25
9 Second Serve Won 8
1 Break Points Saved 4
3 Break Points Faced 8
21 Winners 4
14 Unforced Errors 5
1.7 Average Odds 2.1
W Hard US Open · qualification - 1. round · 2026-08-25

vs Sebastian Ofner #125

6-1 2-6 6-2

Kei Nishikori Sebastian Ofner
4 Aces 1
3 Double Faults 3
63 Service Points 89
36 First Serve In 54
25 First Serve Won 37
11 Second Serve Won 17
8 Break Points Saved 5
12 Break Points Faced 7
22 Winners 15
20 Unforced Errors 21
1.9 Average Odds 1.9
L Hard Cincinnati · qualification - 2. round · 2026-08-13

vs Marco Trungelliti #90

4-6 7-5 6-3

Kei Nishikori Marco Trungelliti
4 Aces 3
6 Double Faults 6
101 Service Points 107
58 First Serve In 64
34 First Serve Won 42
18 Second Serve Won 16
7 Break Points Saved 13
14 Break Points Faced 19
25 Winners 19
67 Unforced Errors 35
1.6 Average Odds 2.2
W Hard Cincinnati · qualification - 1. round · 2026-08-12

vs Francisco Comesana #107

6-4 1-6 7-5

Kei Nishikori Francisco Comesana
4 Aces 7
3 Double Faults 6
87 Service Points 97
57 First Serve In 55
38 First Serve Won 40
15 Second Serve Won 17
2 Break Points Saved 7
6 Break Points Faced 11
18 Winners 24
38 Unforced Errors 43
1.9 Average Odds 1.8
L Hard Montreal · qualification - 1. round · 2026-08-01

vs Michael Zheng #118

6-3 6-1

Kei Nishikori Michael Zheng
0 Aces 3
3 Double Faults 0
47 Service Points 44
19 First Serve In 20
12 First Serve Won 17
8 Second Serve Won 14
4 Break Points Saved 3
9 Break Points Faced 4
- Winners -
- Unforced Errors -
2.8 Average Odds 1.4
L Hard Washington · R16 · 2026-07-30

vs Rafael Jodar #24

6-3 6-2

Kei Nishikori Rafael Jodar
0 Aces 3
2 Double Faults 2
45 Service Points 57
21 First Serve In 29
15 First Serve Won 22
10 Second Serve Won 18
0 Break Points Saved 3
3 Break Points Faced 3
8 Winners 14
31 Unforced Errors 26
5.0 Average Odds 1.2
W Hard Washington · 1. round · 2026-07-27

vs Juncheng Shang #270

6-7 6-3 6-4

Kei Nishikori Juncheng Shang
4 Aces 6
0 Double Faults 2
97 Service Points 109
70 First Serve In 58
51 First Serve Won 41
19 Second Serve Won 31
0 Break Points Saved 7
0 Break Points Faced 9
28 Winners 27
44 Unforced Errors 43
2.5 Average Odds 1.5
L Clay Savannah CH · R16 · 2026-04-20

vs Jack Kennedy #582

6-3 6-7(3) 6-0

Kei Nishikori Jack Kennedy
3 Aces 0
7 Double Faults 1
107 Service Points 93
65 First Serve In 56
39 First Serve Won 39
15 Second Serve Won 16
5 Break Points Saved 6
13 Break Points Faced 9
- Winners -
- Unforced Errors -
- Average Odds -
W Clay Savannah CH · R32 · 2026-04-20

vs Colton Smith #190

6-2 6-3

Kei Nishikori Colton Smith
1 Aces 2
2 Double Faults 2
48 Service Points 55
33 First Serve In 30
23 First Serve Won 16
10 Second Serve Won 11
3 Break Points Saved 5
4 Break Points Faced 10
- Winners -
- Unforced Errors -
- Average Odds -