Name: Kei Nishikori
Country: Japan
Birthdate: 29.12.89, 34 years
Height: 175 cm
Weight: 65 kg
Right-handed
ATP ranking: 358
TOP ranking's position: 4 (20.03.17, 4730 points)
Points: 143
Prize money: 25.102.112 $
Matches total: 852
Win: 580
%: 68.08 %
Country: Japan
Birthdate: 29.12.89, 34 years
Height: 175 cm
Weight: 65 kg
Right-handed
ATP ranking: 358
TOP ranking's position: 4 (20.03.17, 4730 points)
Points: 143
Prize money: 25.102.112 $
Matches total: 852
Win: 580
%: 68.08 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2023 | 10/3 | 10/3 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2021 | 27/18 | 15/10 | 8/4 | 2/2 | 0/0 | 2/2 | 0/0 |
| 2020 | 2/4 | 0/0 | 2/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 29/14 | 12/7 | 10/5 | 3/1 | 0/0 | 4/1 | 0/0 |
| 2018 | 48/22 | 11/8 | 11/5 | 21/7 | 0/0 | 5/2 | 0/0 |
| 2017 | 30/14 | 15/6 | 12/6 | 0/0 | 0/0 | 3/2 | 0/0 |
| 2016 | 59/22 | 31/10 | 13/4 | 11/6 | 0/0 | 4/2 | 0/0 |
| 2015 | 55/17 | 27/9 | 16/3 | 8/3 | 0/0 | 4/2 | 0/0 |
| 2014 | 56/16 | 26/9 | 10/2 | 15/3 | 0/0 | 5/2 | 0/0 |
| 2013 | 37/19 | 17/11 | 8/4 | 10/2 | 0/0 | 2/2 | 0/0 |
| 2012 | 39/19 | 21/9 | 7/4 | 4/3 | 0/0 | 7/3 | 0/0 |
| 2011 | 44/23 | 21/10 | 9/5 | 11/5 | 0/0 | 3/3 | 0/0 |
| 2010 | 39/15 | 17/8 | 11/1 | 8/3 | 0/0 | 3/3 | 0/0 |
| 2009 | 4/6 | 2/4 | 0/0 | 1/2 | 1/0 | 0/0 | 0/0 |
| 2008 | 39/19 | 17/7 | 9/3 | 7/4 | 0/0 | 6/5 | 0/0 |
| 2007 | 34/24 | 29/16 | 4/7 | 1/1 | 0/0 | 0/0 | 0/0 |
| 2006 | 26/14 | 18/8 | 8/5 | 0/0 | 0/1 | 0/0 | 0/0 |
| 2005 | 2/2 | 2/1 | 0/0 | 0/0 | 0/0 | 0/1 | 0/0 |
| TOTAL | 580/272 | 291/137 | 138/62 | 102/42 | 1/1 | 48/30 | 0/0 |
| perc. % | 68.08 % | 67.99 % | 69 % | 70.83 % | 50 % | 61.54 % | 0 % |
Kei Nishikori / Fixtures
| no matches found |
Kei Nishikori form / year 2018 / surface: Hard
Kei Nishikori / year 2018 / surface: Hard
| 12.10.18 | 1/4 | Roger Federer | Kei Nishikori | 6-4, 7-64 |  | match details |  Shanghai | Hard |
| 11.10.18 | 3rd round | Kei Nishikori | Sam Querrey | 7-67, 6-4 |  | match details | ||
| 10.10.18 | 2nd round | Kei Nishikori | Yibing Wu | 3-6, 6-0, 6-3 | | match details | ||
| 07.09.18 | 1/2 | Novak Djokovic | Kei Nishikori | 6-3, 6-4, 6-2 | | match details |  New York | Hard |
| 05.09.18 | 1/4 | Kei Nishikori | Marin Cilic | 2-6, 6-4, 7-65, 4-6, 6-4 | | match details | ||
| 03.09.18 | 4th round | Kei Nishikori | Philipp Kohlschreiber | 6-3, 6-2, 7-5 | | match details | ||
| 01.09.18 | 3rd round | Kei Nishikori | Diego Sebastian Schwartzman | 6-4, 6-4, 5-7, 6-1 | | match details | ||
| 30.08.18 | 2nd round | Kei Nishikori | Gael Monfils | 6-2, 5-4, Gael Monfils - retired | | match details | ||
| 28.08.18 | 1st round | Kei Nishikori | Maximilian Marterer | 6-2, 6-2, 6-3 | | match details | ||
| 15.08.18 | 2nd round | Stan Wawrinka | Kei Nishikori | 6-4, 6-4 | | match details | Cincinnati | Hard |
| 13.08.18 | 1st round | Kei Nishikori | Andrey Rublev | 7-5, 6-3 | | match details | ||
| 07.08.18 | 1st round | Robin Haase | Kei Nishikori | 7-5, 6-1 | | match details |  Toronto | Hard |
| 03.08.18 | 1/4 | Alexander Zverev | Kei Nishikori | 3-6, 6-1, 6-4 | | match details | Washington | Hard |
| 02.08.18 | 3rd round | Kei Nishikori | Denis Shapovalov | 7-61, 6-3 | | match details | ||
| 01.08.18 | 2nd round | Kei Nishikori | Donald Young | 6-3, 6-4 | | match details | ||
| 25.03.18 | 3rd round | Juan Martin Del Potro | Kei Nishikori | 6-2, 6-2 | | match details | Miami | Hard |
| 23.03.18 | 2nd round | Kei Nishikori | John Millman | 7-64, 4-6, 6-3 | | match details | ||
| 27.02.18 | 1st round | Denis Shapovalov | Kei Nishikori | 6-73, 6-3, 6-1 | | match details |  Acapulco | Hard |
| 23.01.18 | 1st round | Dennis Novikov | Kei Nishikori | 6-3, 3-6, 6-4 | | match details | Newport Beach | Hard |
