| ATP - New York | 02/15 02:50 | 26 | Evgeny Donskoy v Kei Nishikori | 2-6,4-6 | |
| ATP - New York | 02/14 00:30 | 25 | Noah Rubin v Kei Nishikori | 5-7,3-6 | |
| Challenger - Dallas | 02/04 03:10 | 29 | Kei Nishikori v Mackenzie McDonald | 6-1,6-4 | |
| Challenger - Dallas | 02/02 21:00 | 28 | Kei Nishikori v Jason Jung | 6-4,6-4 | |
| Challenger - Dallas | 02/02 01:00 | 27 | Kei Nishikori v Dominik Koepfer | 7-6,6-3 | |
| Challenger - Dallas | 02/01 01:00 | 26 | Kei Nishikori v Matthias Bachinger | 4-6,6-4,6-4 | |
| Challenger - Dallas | 01/29 22:15 | 25 | Kei Nishikori v Dennis Novikov | 6-3,6-3 | |
| Challenger - Newport Beach | 01/23 20:50 | 25 | Kei Nishikori v Dennis Novikov | 3-6,6-3,4-6 | |
| ATP - Montreal | 08/09 16:30 | 25 | [9] Kei Nishikori v Gael Monfils [22] | 7-6,5-7,6-7 | |
| ATP - Washington | 08/05 23:00 | 28 | [8] Alexander Zverev v Kei Nishikori [9] | 6-3,6-4 | |
| ATP - Washington | 08/05 00:25 | 27 | [225] Tommy Paul v Kei Nishikori [9] | 6-3,6-7,4-6 | |
| ATP - Washington | 08/04 04:05 | 26 | [32] Juan Martin Del Potro v Kei Nishikori [9] | 4-6,5-7 | |
| ATP - Washington | 08/02 03:25 | 25 | [58] Donald Young v Kei Nishikori [9] | 3-6,6-4,6-7 | |
| Wimbledon | 07/07 10:30 | 25 | [9] Kei Nishikori v Roberto Bautista-Agut [19] | 4-6,6-7,6-3,3-6 | |
| Wimbledon | 07/05 12:00 | 24 | [9] Kei Nishikori v Sergiy Stakhovsky [122] | 6-4,6-7,6-1,7-6 | |
| Wimbledon | 07/03 12:00 | 23 | [9] Kei Nishikori v Marco Cecchinato [102] | 6-2,6-2,6-0 | |
| ATP - Halle | 06/22 10:00 | 26 | [9] Kei Nishikori v Karen Khachanov [38] | Retired | |
| ATP - Halle | 06/20 10:00 | 25 | [9] Kei Nishikori v Fernando Verdasco [34] | 6-7,6-3,6-4 | |
| French Open | 06/07 14:10 | 27 | [1] Andy Murray v Kei Nishikori [9] | 2-6,6-1,7-6,6-1 | |
| French Open | 06/05 11:25 | 26 | [37] Fernando Verdasco v Kei Nishikori [9] | 6-0,4-6,4-6,0-6 | |
| French Open | 06/03 11:55 | 25 | [67] Hyeon Chung v Kei Nishikori [9] | 5-7,4-6,7-6,6-0,4-6 | |
| French Open | 06/01 11:00 | 24 | [74] Jeremy Chardy v Kei Nishikori [9] | 3-6,0-6,6-7 | |
| French Open | 05/30 11:55 | 23 | [249] Thanasi Kokkinakis v Kei Nishikori [9] | 6-4,1-6,4-6,4-6 | |
| ATP - Ženeva | 05/26 12:00 | 28 | [33] Mischa Zverev v Kei Nishikori [9] | 6-4,3-6,6-3 | |
| ATP - Ženeva | 05/25 13:10 | 27 | [62] Kevin Anderson v Kei Nishikori [9] | 6-2,4-6,6-7 | |
| ATP - Ženeva | 05/23 16:10 | 26 | [88] Mikhail Kukushkin v Kei Nishikori [9] | 4-6,3-6 | |
| ATP - Rím | 05/18 15:30 | 26 | [9] Kei Nishikori v Juan Martin Del Potro [34] | 6-7,3-6 | |
| ATP - Rím | 05/17 10:00 | 25 | [9] Kei Nishikori v David Ferrer [30] | 7-5,6-2 | |
| ATP - Madrid | 05/12 10:00 | 27 | Kei Nishikori v Novak Djokovič | Walkover | |
| ATP - Madrid | 05/11 10:00 | 26 | [8] Kei Nishikori v David Ferrer [30] | 6-4,6-3 |
Wikipedia - Kei Nišikori
Kei Nišikori, jap. 錦織 圭 Nišikori Kei (* 29. december 1989, Šimane, Japonsko) je súčasný japonský profesionálny tenista. Počas svojej kariéry vyhral 1 turnaj ATP v dvojhre a to v Los Angeles, Kalifornia vo veku 17 rokov.