DoNotUse Kei Nishikori (#no-rank)
| atpworldtour.com | ATP | Country |  Japan | 
| Wikipedia | Eng / Fr | Birth | 1989-12-29 - age 35 | 
| Career best ranking | 4 - 2015-03-02 - age 25 (+2 M) | Résidence |  United States of America | 
| Height | - | ||
| Weight | - | 
| Conditions | W | D | ratio | 
|---|---|---|---|
| Hard (in.) | 0 | 1 | 0.00% | 
| Hard (out.) | 18 | 11 | 62.07% | 
| Clay | 9 | 6 | 60.00% | 
| Grass | 2 | 3 | 40.00% | 
| TOTAL | 29 | 21 | 58.00% | 
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-02-03 | 500 |  Dallas Open | Hard (in.) | 16e | #10000 |  #24 Tomas Machac | 6/2 6/2 | |
| 2 | 2024-09-30 | 1000 |  Shanghai Masters | Hard (out.) | 32e | #200 |  #12 Stefanos Tsitsipas | 7/6(6) 6/4 | |
| 3 | 2024-09-30 | 1000 |  Shanghai Masters | Hard (out.) | 64e | #200 |  #38 Mariano Navone | 3/6 6/4 6/3 | |
| 4 | 2024-09-18 | 250 |  Chengdu Open | Hard (out.) | 16e | #10000 |  #67 Juncheng  Shang | 6/4 6/4 | |
| 5 | 2024-08-05 | 1000 |  Rogers Cup - Canada | Hard (out.) | QF | #10000 |  #43 Matteo Arnaldi | 6/4 7/5 | |
| 6 | 2024-08-05 | 1000 |  Rogers Cup - Canada | Hard (out.) | 8e | #10000 |  #42 Nuno Borges | 6/3 6/4 | |
| 7 | 2024-08-05 | 1000 |  Rogers Cup - Canada | Hard (out.) | 16e | #10000 |  #11 Stefanos Tsitsipas | 6/4 6/4 | |
| 8 | 2024-08-05 | 1000 |  Rogers Cup - Canada | Hard (out.) | 32e | #10000 |  #58 Alex Michelsen | 3/6 7/5 6/4 | |
| 9 | 2024-07-28 | OG |  JO - Olympic Games | Clay | 32e | #10000 |  #26 Jack Draper | 6/1 6/4 | |
| 10 | 2024-07-01 | GS |  Wimbledon | Grass | 64e | #399 |  #67 Arthur Rinderknech | 5/7 6/4 6/7(2) 6/3 6/2 | |
| 11 | 2024-05-26 | GS |  Roland Garros | Clay | 32e | #10000 |  #15 Ben Shelton | 7/6(7) 6/4 ret. | |
| 12 | 2024-05-26 | GS |  Roland Garros | Clay | 64e | #10000 |  #166 Gabriel Diallo | 7/5 7/6(3) 3/6 1/6 7/5 | |
| 13 | 2024-03-20 | 1000 |  Miami Masters | Hard (out.) | 64e | #351 |  #43 Sebastian Ofner | 6/3 6/4 | |
| 14 | 2023-07-24 | 250 |  Atlanta Open | Hard (out.) | QF | #439 |  #9 Taylor Fritz | 6/4 6/2 | |
| 15 | 2023-07-24 | 250 |  Atlanta Open | Hard (out.) | 8e | #439 |  #156 DoNotUse Juncheng Shang | 6/4 7/6(3) | |
| 16 | 2023-07-24 | 250 |  Atlanta Open | Hard (out.) | 16e | #439 |  #60 Jordan Thompson | 7/6(5) 7/6(5) | |
| 17 | 2021-10-07 | 1000 |  Indian Wells Masters | Hard (out.) | 32e | #52 |  #22 Daniel Evans | 4/6 6/3 6/4 | |
| 18 | 2021-10-07 | 1000 |  Indian Wells Masters | Hard (out.) | 64e | #52 |  #182 Joao Sousa | 6/7(5) 6/3 6/2 | |
| 19 | 2021-08-30 | GS |  US Open | Hard (out.) | 16e | #55 |  #1 Novak Djokovic | 6/7(4) 6/3 6/3 6/2 | |
| 20 | 2021-08-30 | GS |  US Open | Hard (out.) | 32e | #55 |  #60 Mackenzie McDonald | 7/6(3) 6/3 6/7(5) 2/6 6/3 | |
| 21 | 2021-08-30 | GS |  US Open | Hard (out.) | 64e | #55 |  #113 Salvatore Caruso | 6/1 6/1 5/7 6/3 | |
| 22 | 2021-08-09 | 1000 |  Rogers Cup - Canada | Hard (out.) | 16e | #67 |  #13 Hubert Hurkacz | w/o | |
| 23 | 2021-08-09 | 1000 |  Rogers Cup - Canada | Hard (out.) | 32e | #67 |  #59 Miomir Kecmanovic | 6/4 6/7(5) 6/2 | |
| 24 | 2021-08-02 | 500 |  Washington Open | Hard (out.) | DF | #69 |  #106 Mackenzie McDonald | 6/4 3/6 7/5 | |
| 25 | 2021-08-02 | 500 |  Washington Open | Hard (out.) | QF | #69 |  #51 Lloyd Harris | 6/3 7/5 | |
| 26 | 2021-08-02 | 500 |  Washington Open | Hard (out.) | 8e | #69 |  #29 Cameron Norrie | 3/6 6/3 6/3 | |
| 27 | 2021-08-02 | 500 |  Washington Open | Hard (out.) | 16e | #69 |  #39 Alexander Bublik | 6/2 7/5 | |
| 28 | 2021-08-02 | 500 |  Washington Open | Hard (out.) | 32e | #69 |  #70 Sam Querrey | 6/4 6/3 | |
| 29 | 2021-07-24 | OG |  JO - Olympic Games | Hard (out.) | QF | #69 |  #1 Novak Djokovic | 6/2 6/0 | |
| 30 | 2021-07-24 | OG |  JO - Olympic Games | Hard (out.) | 8e | #69 |  #66 Ilya Ivashka | 7/6(7) 6/0 | |
| 31 | 2021-07-24 | OG |  JO - Olympic Games | Hard (out.) | 16e | #69 |  #64 Marcos Giron | 7/6(5) 3/6 6/1 | |
| 32 | 2021-07-24 | OG |  JO - Olympic Games | Hard (out.) | 32e | #69 |  #7 Andrey Rublev | 6/3 6/4 | |
| 33 | 2021-06-28 | GS |  Wimbledon | Grass | 32e | #53 |  #76 Jordan Thompson | 7/5 6/4 5/7 6/3 | |
| 34 | 2021-06-28 | GS |  Wimbledon | Grass | 64e | #53 |  #67 Alexei Popyrin | 6/4 6/4 6/4 | |
| 35 | 2021-06-14 | 500 |  Open de Halle | Grass | 8e | #49 |  #50 Sebastian Korda | 2/6 6/3 7/5 | |
| 36 | 2021-06-14 | 500 |  Open de Halle | Grass | 16e | #49 |  #93 Ricardas Berankis | 6/3 2/6 6/2 | |
| 37 | 2021-05-30 | GS |  Roland Garros | Clay | 8e | #49 |  #6 Alexander Zverev | 6/4 6/1 6/1 | |
| 38 | 2021-05-30 | GS |  Roland Garros | Clay | 16e | #49 |  #150 Henri Laaksonen | 7/5 ret. | |
| 39 | 2021-05-30 | GS |  Roland Garros | Clay | 32e | #49 |  #25 Karen Khachanov | 4/6 6/2 2/6 6/4 6/4 | |
| 40 | 2021-05-30 | GS |  Roland Garros | Clay | 64e | #49 |  #159 Alessandro Giannessi | 6/4 6/7(4) 6/3 4/6 6/4 | |
| 41 | 2021-05-10 | 1000 |  Masters de Rome | Clay | 8e | #43 |  #6 Alexander Zverev | 4/6 6/3 6/4 | |
| 42 | 2021-05-10 | 1000 |  Masters de Rome | Clay | 16e | #43 |  #12 Pablo Carreno Busta | w/o | |
| 43 | 2021-05-10 | 1000 |  Masters de Rome | Clay | 32e | #43 |  #28 Fabio Fognini | 6/3 6/4 | |
| 44 | 2021-05-03 | 1000 |  Masters de Madrid | Clay | 16e | #41 |  #6 Alexander Zverev | 6/3 6/2 | |
| 45 | 2021-05-03 | 1000 |  Masters de Madrid | Clay | 32e | #41 |  #23 Karen Khachanov | 6/7(6) 6/2 6/2 | |
| 46 | 2021-04-19 | 500 |  Barcelone Open | Clay | 8e | #39 |  #3 Rafael Nadal | 6/0 2/6 6/2 | |
| 47 | 2021-04-19 | 500 |  Barcelone Open | Clay | 16e | #39 |  #24 Cristian Garin | 7/6(5) 4/6 6/1 | |
| 48 | 2021-04-19 | 500 |  Barcelone Open | Clay | 32e | #39 |  #48 Guido Pella | 4/6 7/6(4) 6/2 | |
| 49 | 2021-03-24 | 1000 |  Miami Masters | Hard (out.) | 16e | #39 |  #5 Stefanos Tsitsipas | 6/3 3/6 6/1 | |
| 50 | 2021-03-24 | 1000 |  Miami Masters | Hard (out.) | 32e | #39 |  #59 Aljaz Bedene | 7/6(6) 5/7 6/4 | 
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