Player data updated: 2026-09-14 19:18 UTC

Photo of Kei Nishikori, professional tennis player
JPN Age 36 178 cm / 5'10" Plays: Right-Handed, Two-Handed Backhand ATP Tour years active: 2007–2026

Kei Nishikori represents Japan on the ATP Tour and is ranked No. 429, having reached a career high of No. 4. TennisDB's records show a singles record of 436–232 and 12 singles titles.

Singles ranking
429
Career singles high
4 (Mar 2, 2015)
Elo peak
2275 (99th percentile)
Singles record
436–232 (65.3%)
Singles titles
12
Prize money
$26,161,710
YTD W-L
1–1
Equipment brand

Records cover recorded main-draw singles results in TennisDB's ATP event archive, including credited walkovers; qualifying is shown separately below.

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ATP Matches full match log →

Kei Nishikori's recent, live, and scheduled ATP matches
OpponentScoreResultH2HMatch DataDateRoundTournamentCategorySurface
M. Antonius #1679 6-4, 6-4 W H2H Match data Sep 15, 2026 Q2 US Open Grand Slam Hard
Rei Sakamoto #157 4-6 6-7(3) L H2H Match data Aug 28, 2026 Q3 Q US Open Grand Slam Hard
M. Antonius 6-4 6-4 W H2H Match data Aug 26, 2026 Q2 Q US Open Grand Slam Hard
Sebastian Ofner #125 6-1 2-6 6-2 W H2H Match data Aug 25, 2026 Q1 Q US Open Grand Slam Hard
Marco Trungelliti #91 6-4 5-7 3-6 L H2H Match data Aug 12, 2026 Q2 Q Cincinnati Open Masters 1000 Hard

Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.

Rivals all rivalries →

Kei Nishikori's most-played ATP rivals
OpponentWLMLast PlayedH2H
Novak Djokovic 2 20 22 Sep 5, 2021 H2H
Marin Cilic 10 6 16 Sep 28, 2024 H2H
Rafael Nadal 2 12 14 Apr 23, 2021 H2H
David Ferrer 10 4 14 May 17, 2017 H2H
Sam Querrey 7 4 11 Aug 4, 2021 H2H

Singles Titles (12)

Kei Nishikori singles titles by season and category
SeasonAgeSingles titlesGS Masters 1000 including documented historical predecessor categories ATP 500 including documented historical predecessor categories ATP 250 including documented historical predecessor categories ATP FinalsTournaments
200818 1 1 Delray Beach Open
201222 1 1 Japan Open
201323 1 1 Memphis
201424 4 2 2 Kuala Lumpur, Memphis, Barcelona Open, Japan Open
201525 3 2 1 Memphis, Barcelona Open, Washington Open
201626 1 1 Memphis
201929 1 1 Brisbane International
Total 12 6 6

Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Olympic Singles Results (5)

Kei Nishikori Olympic singles results
EditionEventResultWLLast MatchH2HMatch Data
2008 Beijing Olympics First Round 0 1 Rainer Schuettler #35 def. Kei Nishikori #124 6-4 6-7(5) 6-3 H2H Match data
2012 London Olympics Quarterfinal 3 1 Juan Martin del Potro #9 def. Kei Nishikori #17 6-4 7-6(4) H2H Match data
2016 Rio de Janeiro Olympics Bronze Medal 5 1 Kei Nishikori #7 def. Rafael Nadal #5 6-2 6-7(1) 6-3 H2H Match data
2020 Tokyo Olympics Quarterfinal 3 1 Novak Djokovic #1 def. Kei Nishikori #69 6-2 6-0 H2H Match data
2024 Paris Olympics First Round 0 1 Jack Draper #27 def. Kei Nishikori #581 6-1 6-4 H2H Match data

Career Results

Kei Nishikori career results by season
SeasonAgeTypeWLMWin %Start RankEnd Rank
200717Qualifying Q931275.0%
200717ATP35837.5%603286
200818Qualifying Q1021283.3%
200818ATP16112759.3%28963
200919ATP36933.3%61418
201020Qualifying Q921181.8%
201020ATP391225.0%41798
201121Qualifying Q61785.7%
201121ATP32225459.3%9825
201222ATP35185366.0%2519
201323ATP34195364.2%1817
201424ATP52156777.6%175
201525ATP51176875.0%58
201626ATP57217873.1%85
201727ATP30144468.2%522
201828ATP43216467.2%229
201929ATP29144367.4%913
202030ATP24633.3%1641
202131ATP27164362.8%4147
202333ATP21366.7%492352
202434ATP791643.8%352106
202535ATP991850.0%74156
202636Qualifying Q33650.0%
202636ATP11250.0%238429
Career43623266865.3%

Career Results by Surface

Kei Nishikori career results by season and surface
SeasonAgeType HardClayGrassTotal
WLMWin %WLMWin %WLMWin % WLMWin %
200717Qualifying Q 921181.8%0110.0% 931275.0%
200717ATP 35837.5% 35837.5%
200818Qualifying Q 61785.7%11250.0%303100.0% 1021283.3%
200818ATP 1472166.7%0110.0%23540.0% 16112759.3%
200919ATP 36933.3% 36933.3%
201020Qualifying Q 62875.0%303100.0% 921181.8%
201020ATP 25728.6%11250.0%0330.0% 391225.0%
201121Qualifying Q 61785.7% 61785.7%
201121ATP 22143661.1%751258.3%33650.0% 32225459.3%
201222ATP 21113265.6%741163.6%731070.0% 35185366.0%
201323ATP 24133764.9%841266.7%22450.0% 34195364.2%
201424ATP 37114877.1%1021283.3%52771.4% 52156777.6%
201525ATP 33124573.3%1431782.4%42666.7% 51176875.0%
201626ATP 40155572.7%1341776.5%42666.7% 57217873.1%
201727ATP 1562171.4%1261866.7%32560.0% 30144468.2%
201828ATP 27144165.9%1151668.8%52771.4% 43216467.2%
201929ATP 1582365.2%1051566.7%41580.0% 29144367.4%
202030ATP 24633.3% 24633.3%
202131ATP 17102763.0%841266.7%22450.0% 27164362.8%
202333ATP 21366.7% 21366.7%
202434ATP 661250.0%12333.3%0110.0% 791643.8%
202535ATP 661250.0%33650.0% 991850.0%
202636Qualifying Q 33650.0% 33650.0%
202636ATP 11250.0% 11250.0%
Career28815143965.6%1075316066.9%41286959.4%43623266865.3%

Career Results by Opponent Rank

Kei Nishikori career results by season and opponent rank
SeasonAge 1-1011-3031-100100+Total
WLMWin %WLMWin %WLMWin %WLMWin % WLMWin %
200717 000220.0%21366.7%12333.3% 35837.5%
200818 13425.0%12333.3%961560.0%505100.0% 16112759.3%
200919 0110.0%101100.0%24633.3%0110.0% 36933.3%
201020 0220.0%12333.3%23540.0%0220.0% 391225.0%
201121 35837.5%43757.1%16112759.3%931275.0% 32225459.3%
201222 35837.5%27922.2%1952479.2%1111291.7% 35185366.0%
201323 27922.2%861457.1%1631984.2%831172.7% 34195364.2%
201424 1192055.0%921181.8%2542986.2%606100.0% 51156677.3%
201525 5101533.3%1131478.6%3043488.2%505100.0% 51176875.0%
201626 5121729.4%1762373.9%2322592.0%1211392.3% 57217873.1%
201727 13425.0%45944.4%1962576.0%505100.0% 29144367.4%
201828 7101741.2%841266.7%1952479.2%921181.8% 43216467.2%
201929 0330.0%32560.0%1992867.9%707100.0% 29144367.4%
202030 000110.0%22450.0%0110.0% 24633.3%
202131 17812.5%941369.2%1341776.5%41580.0% 27164362.8%
202333 0110.0%00101100.0%101100.0% 21366.7%
202434 0025728.6%34742.9%202100.0% 791643.8%
202535 0015616.7%62875.0%22450.0% 991850.0%
202636 000110.0%00101100.0% 11250.0%
Career 397811733.3%816014157.4%2267530175.1%881910782.2% 43423266665.2%

Opponent ranking data available for 666/668 (99.7%) of Kei Nishikori's ATP main draw matches.

Performance Stats

Kei Nishikori performance statistics by season
SeasonAgeSampleAces/MDFs/M1st Sv%1st Sv Pts%2nd Sv Pts%BP Saved%BP Conv%Svc Pts%Ret Pts%
200717 8/8 3.0 3.5 58.6% 69.8% 47.8% 60.4% 48.1% 60.9% 35.4%
200818 25/27 3.2 2.9 59.9% 69.1% 50.9% 57.2% 45.4% 61.8% 37.4%
200919 9/9 2.8 3.1 53.7% 64.6% 49.4% 39.4% 45.3% 57.3% 37.7%
201020 12/12 3.1 4.0 60.3% 64.3% 43.5% 45.8% 23.0% 56.4% 33.0%
201121 54/54 2.5 2.9 60.7% 68.5% 52.4% 59.5% 39.7% 62.0% 38.2%
201222 48/53 2.4 2.6 62.6% 70.0% 53.6% 55.2% 39.9% 63.6% 41.4%
201323 53/53 2.6 2.8 62.3% 68.9% 52.2% 55.7% 47.2% 62.6% 40.6%
201424 66/67 4.3 2.8 60.6% 73.4% 53.9% 63.1% 42.6% 65.6% 39.9%
201525 66/68 4.6 2.5 59.6% 74.7% 54.5% 62.3% 44.7% 66.6% 39.3%
201626 71/78 3.4 2.4 61.0% 72.3% 53.9% 64.1% 47.7% 65.1% 40.2%
201727 43/44 3.3 2.3 62.3% 71.9% 53.3% 64.2% 45.5% 64.9% 40.7%
201828 64/64 3.6 2.3 60.0% 71.3% 55.9% 60.0% 44.8% 65.2% 37.8%
201929 43/43 3.1 2.8 63.6% 70.1% 54.2% 51.2% 45.0% 64.3% 40.9%
202030 6/6 1.2 2.5 63.5% 62.2% 50.7% 57.8% 31.4% 58.0% 37.8%
202131 37/43 2.5 2.0 64.2% 65.6% 55.3% 57.2% 45.2% 62.0% 38.5%
202333 3/3 1.7 1.3 67.5% 73.8% 53.6% 52.8% 16.7% 67.2% 29.9%
202434 15/16 2.1 1.7 66.6% 66.7% 55.0% 58.6% 39.7% 62.7% 36.1%
202535 18/18 3.2 1.9 65.6% 68.6% 47.6% 53.2% 35.9% 61.9% 35.2%
202636 2/2 2.0 1.0 60.0% 72.0% 55.5% 0.0% 11.0% 64.0% 32.0%
Career 643/668 3.3 2.6 61.5% 70.5% 53.3% 58.6% 43.3% 63.8% 39.1%

Detailed serve and return statistics available for 643/668 (96.3%) of Kei Nishikori's ATP main draw matches.

Advanced Stats

Kei Nishikori advanced statistics by season
Season Age Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
2007 17 1576 116.9 -2.68 -0.02 0.904 48.6% +35 38.9% -0.83 1–1 1–1 +0.05
2008 18 1758 125.8 -0.30 +0.72 0.981 49.7% +19 -131 50.8% -0.10 8–2 (80%) 4–2 (67%) 108.5 +0.07
2009 19 1724 129.5 -3.16 +1.29 0.884 47.6% +12 35.3% -1.06 1–0 -0.98
2010 20 1735 129.7 -2.46 -1.12 0.757 44.8% +5 -69 25.9% -1.74 2–1 (67%) 3–0 (100%) 105.5 -1.08
2011 21 1923 151.1 -0.10 +1.28 1.007 50.3% +11 -301 -200 53.4% +0.20 14–3 (82%) 12–9 (57%) 113.8 +0.32
2012 22 2007 156.0 +1.03 +3.76 1.139 52.0% +15 -248 -162 59.8% +0.79 15–4 (79%) 9–8 (53%) 111.3 +1.94
2013 23 1946 158.7 -0.22 +3.58 1.086 51.5% +28 -64 -111 62.7% +0.75 6–4 (60%) 9–7 (56%) 102.6 +3.21
2014 24 2211 173.9 +2.73 +4.62 1.162 52.6% +18 -194 -285 68.2% +1.09 21–2 (91%) 19–10 (66%) 119.8 -0.99
2015 25 2153 175.0 +2.66 +4.32 1.175 52.6% +22 +6 -165 69.5% +1.23 17–6 (74%) 9–12 (43%) 100.1 +2.30
2016 26 2183 179.2 +2.13 +4.67 1.151 52.6% +16 +25 -149 69.4% +1.15 14–5 (74%) 16–9 (64%) 107.0 -1.29
2017 27 2080 165.7 +1.81 +4.17 1.159 52.4% +66 +70 -116 63.6% +0.88 12–5 (71%) 9–10 (47%) 98.7 -0.06
2018 28 2107 171.3 +1.83 +2.94 1.086 51.5% +11 +66 -54 62.6% +0.63 12–5 (71%) 17–5 (77%) 109.4 -1.99
2019 29 2002 158.4 +0.34 +4.57 1.145 52.3% +1 +149 +96 62.7% +0.73 8–6 (57%) 9–7 (56%) 95.3 +1.02
2020 30 1913 109.6 -1.35 -0.42 0.900 47.5% +89 42.1% -0.95 1–2 (33%) 2–1 (67%) 96.6 +0.14
2021 31 1978 161.2 -0.40 +2.72 1.013 50.2% +38 +96 +56 55.2% +0.23 14–7 (67%) 9–8 (53%) 102.5 -2.26
2023 33 1968 114.7 +1.39 +0.98 0.912 49.4% +49 66.7% -0.17 3–0 (100%) -0.03
2024 34 1872 134.6 -0.60 +0.92 0.967 49.3% +66 +121 45.0% -0.42 4–2 (67%) 2–2 (50%) 99.6 -0.17
2025 35 1814 129.1 -1.20 -0.68 0.924 48.6% +64 +99 47.6% -0.24 6–2 (75%) 2–2 (50%) 100.6 -1.30
2026 36 1771 106.9 +1.35 -0.64 0.889 47.0% 40.0% -0.60 1–0 0–1 -0.11
Career 2275 168.2 +0.96 +3.18 1.082 51.3% +23 -11 -121 60.7% +0.61 156–57 (73%) 136–94 (59%) 115.6 -0.18

Tournament Results by Category

Grand Slams

Kei Nishikori Grand Slams results by season
SeasonAge AORGWUSO W-L
Win %
200717 Q2 1–1 (50%)
200818 Q2R128R16 4–3 (57%)
200919 R128 0–1 (0%)
201020 R64R128R32 6–3 (67%)
201121 R32R64R128R128 3–4 (43%)
201222 QFR32R32 8–3 (73%)
201323 R16R16R32R128 8–4 (67%)
201424 R16R128R16F 12–4 (75%)
201525 QFQFR64R128 9–4 (69%)
201626 QFR16R16SF 15–4 (79%)
201727 R16QFR32 9–3 (75%)
201828 R16QFSF 12–3 (80%)
201929 QFQFQFR32 14–4 (78%)
202030 R64 1–1 (50%)
202131 R128R16R64R32 6–4 (60%)
202434 R64R128 1–2 (33%)
202535 R64 1–1 (50%)
202636 Q3 2–1 (67%)
W-L 28–11
(72%)
29–13
(69%)
22–13
(63%)
33–13
(72%)
112–50
(69%)

Masters 1000

Kei Nishikori Masters 1000 results by season
SeasonAge CANCINIWMADMCMIAPARITASHA W-L
Win %
200717 Q1 0–1 (0%)
200818 R128R128 2–2 (50%)
200919 R128 0–1 (0%)
201020 Q1 0–1 (0%)
201121 R64R128R64R64R64SF 7–6 (54%)
201222 R32R16R64R16R16R16R32 8–7 (53%)
201323 R16R64R32QFR16R16R32R16 13–8 (62%)
201424 R32FSFSFR32 13–5 (72%)
201525 SFR16SFQFR16QFR16 15–7 (68%)
201626 FR16QFSFFR16SF 20–7 (74%)
201727 R32QFQFQFR16 9–5 (64%)
201828 R64R32R64FR32QFQFQF 14–8 (64%)
201929 R32R32R32R16R32R64QF 4–7 (36%)
202030 R32 1–1 (50%)
202131 R32R64R32R32R16 6–5 (55%)
202434 QFR128R64 4–3 (57%)
202535 R128R64R64 2–3 (40%)
202636 Q1Q2 1–2 (33%)
W-L 13–11
(54%)
7–8
(47%)
15–12
(56%)
19–10
(66%)
7–3
(70%)
22–12
(65%)
10–7
(59%)
15–8
(65%)
11–8
(58%)
119–79
(60%)

ATP 500

Kei Nishikori ATP 500 results by season
SeasonAge MEXBARBASDALDUBHALHAMRIOROTTKYVIEWASMEMWAS W-L
Win %
200717 R64 0–1 (0%)
200818 R16Q2 3–2 (60%)
200919 R32 0–1 (0%)
201020 R32R64 2–2 (50%)
201121 R16FR32Q2 7–4 (64%)
201222 R16QFW 8–2 (80%)
201323 R16R16QFR16W 10–4 (71%)
201424 WWQF 12–1 (92%)
201525 FWSFSFW 20–3 (87%)
201626 R16FFR16R16 11–5 (69%)
201727 R16R32SF 4–3 (57%)
201828 R32R32R16FFQF 11–6 (65%)
201929 SFR16SF 7–3 (70%)
202030 R32 0–1 (0%)
202131 R16QFR16QFSF 12–5 (71%)
202434 QFR32 2–2 (50%)
202535 R32 0–1 (0%)
202636 R16 1–1 (50%)
W-L 6–4
(60%)
24–7
(77%)
9–3
(75%)
0–1
(0%)
4–2
(67%)
7–5
(58%)
0–1
(0%)
0–1
(0%)
5–2
(71%)
24–9
(73%)
4–2
(67%)
19–6
(76%)
7–3
(70%)
1–1
(50%)
110–47
(70%)

ATP 250

Kei Nishikori ATP 250 results by season
SeasonAge ATLBEIBRIBUECDUCHNDALDLBEASGENHALHKGU.SAUSMETMRSNAPNWPSTOWASWSAASBBELQUEKUALOSMEMSANU.S W-L
Win %
200717 R32QFR32R32Q1 11–5 (69%)
200818 WR32SFR16R16R32 17–5 (77%)
200919 QFR32R16 3–3 (50%)
201020 R32R32R64R32Q2 4–5 (44%)
201121 QFSFSFR16R32R64SFR16F 21–9 (70%)
201222 QFR16QFQFSF 8–5 (62%)
201323 SFR32R16 3–3 (50%)
201424 SFR16SFWW 13–3 (81%)
201525 SFW 6–1 (86%)
201626 QFW 5–1 (83%)
201727 FFSF 8–3 (73%)
201828 SFSF 5–2 (71%)
201929 W 4–0 (100%)
202030 R32 0–1 (0%)
202131 R32 0–1 (0%)
202333 QF 2–1 (67%)
202434 R32 0–1 (0%)
202535 R32R16FR16 6–4 (60%)
W-L 3–2
(60%)
3–1
(75%)
18–7
(72%)
5–2
(71%)
0–1
(0%)
2–1
(67%)
3–1
(75%)
12–5
(71%)
9–3
(75%)
3–2
(60%)
2–2
(50%)
4–1
(80%)
1–1
(50%)
0–1
(0%)
2–1
(67%)
0–1
(0%)
4–1
(80%)
2–1
(67%)
3–1
(75%)
1–1
(50%)
5–1
(83%)
0–1
(0%)
0–1
(0%)
2–3
(40%)
9–3
(75%)
4–2
(67%)
12–0
(100%)
3–3
(50%)
4–3
(57%)
116–53
(69%)

ATP Finals

Kei Nishikori ATP Finals results by season
SeasonAge FIN W-L
Win %
201424 SF 2–2 (50%)
201525 RR 1–2 (33%)
201626 SF 1–3 (25%)
201828 RR 1–2 (33%)
W-L 5–9
(36%)
5–9
(36%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Current rank
429
Career high
4
Career-high date
Mar 2, 2015
First Top 100
Apr 28, 2008
First Top 50
Apr 11, 2011
First Top 20
Jan 30, 2012
First Top 10
May 12, 2014

Ranking History Matrix

Kei Nishikori ranking history by month and season
SeasonAgeJanFebMarAprMayJunJulAugSepOctNovDec
200717601598597544561389276267251261282286
2008182521231209910010312212684656363
20091959939511811611710398169432421418
20102059789889764824618919414712312410098
201121706262475952484654322525
201222201716171820171817161919
201323211615151511111213191717
20142418201812101211117755
201525555555546688
201626766666675455
20172755479991014202222
2018282726332121272019121199
201929766777778111313
2020301831313435374141
202131414339414953695652484747
2022324542516483114160370748759
202333493353353353351351352
202434349353351358350399581222153140107106
2025357073666458666790112115157156
202636240282417464481429

Similar Players

Other ATP players with comparable peak level, era, career record, and career scale.

Kei Nishikori's most statistically similar ATP players
Player Country Peak ranking Peak Elo M W L Win % Prize money Titles GS M1000 Years Rivalries Match log
Taylor Fritz (active player) USA #4 2,107 557 344 213 61.8% $32,238,408 11 0 1 2015–2026 Rivalries Match log
Felix Auger-Aliassime (active player) CAN #4 2,097 460 284 176 61.7% $23,452,364 9 0 0 2018–2026 Rivalries Match log
Tomas Berdych CZE #4 2,233 923 599 324 64.9% $29,491,328 13 0 1 2003–2019 Rivalries Match log
Holger Rune (active player) DEN #4 2,099 270 170 100 63.0% $15,739,774 5 0 1 2021–2025 Rivalries Match log
Ben Shelton (active player) USA #4 2,076 238 149 89 62.6% $15,061,439 7 0 2 2022–2026 Rivalries Match log
Jack Draper (active player) GBR #4 2,145 176 113 63 64.2% $8,991,004 3 0 1 2021–2026 Rivalries Match log
Milos Raonic CAN #3 2,248 558 370 188 66.3% $20,764,512 8 0 0 2009–2024 Rivalries Match log
Stefanos Tsitsipas (active player) GRE #3 2,231 561 366 195 65.2% $38,234,589 13 0 3 2017–2026 Rivalries Match log
Andrey Rublev (active player) RUS #5 2,175 594 377 217 63.5% $34,046,561 18 0 2 2014–2026 Rivalries Match log
Alex de Minaur (active player) AUS #5 2,122 483 305 178 63.1% $25,814,375 11 0 0 2017–2026 Rivalries Match log
Dominic Thiem AUT #3 2,240 544 337 207 61.9% $30,387,561 17 1 1 2011–2024 Rivalries Match log
Grigor Dimitrov (active player) BUL #3 2,170 791 477 314 60.3% $32,298,339 9 0 1 2008–2026 Rivalries Match log

Equipment

Equipment summary

Wilson

Model
Not specified by manufacturer
Frame style

The official manufacturer roster confirms the brand relationship but does not publish a racquet model. TennisDB does not infer one from photos or third-party lists.

Last source check: Sep 11, 2026

Frequently Asked Questions

How old is Kei Nishikori?
Kei Nishikori is 36 years old, born on December 29, 1989.
Which country does Kei Nishikori represent?
Kei Nishikori represents Japan in TennisDB's ATP records.
How tall is Kei Nishikori?
Kei Nishikori is 178 cm / 5'10".
Does Kei Nishikori use a one-handed or two-handed backhand?
Kei Nishikori uses a two-handed backhand.
Is Kei Nishikori left-handed or right-handed?
Kei Nishikori plays right-handed.
How many Grand Slam singles titles has Kei Nishikori won?
Kei Nishikori has not won a Grand Slam singles title.
How many Masters 1000 titles has Kei Nishikori won?
TennisDB does not group any of Kei Nishikori's titles under the modern Masters 1000 category.
How many ATP titles has Kei Nishikori won?
Kei Nishikori has won 12 ATP singles titles across all categories. The most recent was Brisbane International Presented by ANZ in 2019.
What is Kei Nishikori's highest ATP ranking?
Kei Nishikori's career-high ATP singles ranking is world No. 4, first achieved on March 2, 2015.
What is Kei Nishikori's career win-loss record?
Kei Nishikori has a career ATP singles record of 436 wins and 232 losses (65.3%).
How much career prize money has Kei Nishikori earned?
Kei Nishikori has earned at least $26,161,710 in career prize money from professional tennis.
What turned-professional year does TennisDB record for Kei Nishikori?
TennisDB records 2007 as Kei Nishikori's turned-professional year.
Which seasons of Kei Nishikori's career appear in TennisDB?
Kei Nishikori appears in TennisDB's ATP main-tour match records from 2007 through 2026.
On which surface does Kei Nishikori have the highest recorded win rate?
Among surfaces with at least 20 recorded matches, Kei Nishikori's highest ATP main-draw win rate is on clay: 66.9% (107–53).
Who has Kei Nishikori faced most often?
Kei Nishikori's most frequent opponent is Novak Djokovic, with a head-to-head record of 2–20 across 22 meetings.
What racquet does Kei Nishikori use?
The official Wilson player roster lists Kei Nishikori with Wilson, but it does not specify a racquet model. TennisDB does not infer one.