| ATP - Madrid | 05/09 13:55 | 26 | [7] Kei Nishikori v Stan Wawrinka [34] | 3-6,6-7 | |
| ATP - Madrid | 05/08 10:00 | 25 | [7] Kei Nishikori v Hugo Dellien [109] | 7-5,7-5 | |
| ATP - Barcelona | 04/27 11:30 | 28 | [7] Kei Nishikori v Daniil Medvedev [14] | 4-6,6-3,5-7 | |
| ATP - Barcelona | 04/26 12:15 | 27 | [104] Roberto Carballes Baena v Kei Nishikori [7] | 4-6,5-7 | |
| ATP - Barcelona | 04/25 09:00 | 26 | [31] Felix Auger Aliassime v Kei Nishikori [7] | 1-6,3-6 | |
| ATP - Barcelona | 04/23 09:45 | 25 | [58] Taylor Fritz v Kei Nishikori [7] | 5-7,2-6 | |
| ATP - Monte Carlo | 04/17 09:00 | 25 | [6] Kei Nishikori v Pierre-Hugues Herbert [49] | 5-7,4-6 | |
| ATP - Miami | 03/22 16:00 | 24 | [44] Dusan Lajovic v Kei Nishikori [6] | 2-6,6-2,6-3 | |
| ATP - Indian Wells | 03/12 18:00 | 25 | [7] Kei Nishikori v Hubert Hurkacz [67] | 6-4,4-6,3-6 | |
| ATP - Indian Wells | 03/10 18:00 | 24 | [7] Kei Nishikori v Adrian Mannarino [52] | 6-4,4-6,7-6 | |
| ATP - Dubai | 02/27 10:00 | 26 | [6] Kei Nishikori v Hubert Hurkacz [77] | 5-7,7-5,2-6 | |
| ATP - Dubai | 02/26 12:00 | 25 | [6] Kei Nishikori v Benoit Paire [65] | 6-4,6-3 | |
| ATP - Rotterdam | 02/16 18:30 | 28 | [7] Kei Nishikori v Stan Wawrinka [68] | 2-6,6-4,4-6 | |
| ATP - Rotterdam | 02/15 20:20 | 27 | [7] Kei Nishikori v Marton Fucsovics [38] | 6-3,6-2 | |
| ATP - Rotterdam | 02/14 18:30 | 26 | [7] Kei Nishikori v Ernests Gulbis [84] | 6-1,6-4 | |
| ATP - Rotterdam | 02/12 18:30 | 25 | [7] Kei Nishikori v Pierre-Hugues Herbert [36] | 3-6,6-1,6-4 | |
| Australian Open | 01/23 08:30 | 27 | [1] Novak Djokovic v Kei Nishikori [9] | Retired | |
| Australian Open | 01/21 07:00 | 26 | [23] Pablo Carreno-Busta v Kei Nishikori [9] | 7-6,6-4,6-7,4-6,6-7 | |
| Australian Open | 01/19 02:20 | 25 | [44] Joao Sousa v Kei Nishikori [9] | 6-7,1-6,2-6 | |
| Australian Open | 01/17 00:00 | 24 | [73] Ivo Karlovic v Kei Nishikori [9] | 3-6,6-7,7-5,7-5,6-7 | |
| Australian Open | 01/15 00:00 | 23 | [176] Kamil Majchrzak v Kei Nishikori [9] | Retired | |
| ATP - Brisbane | 01/06 09:30 | 29 | [16] Daniil Medvedev v Kei Nishikori [9] | 4-6,6-3,2-6 | |
| ATP - Brisbane | 01/05 05:00 | 28 | [40] Jeremy Chardy v Kei Nishikori [9] | 2-6,2-6 | |
| ATP - Brisbane | 01/03 09:00 | 27 | [19] Grigor Dimitrov v Kei Nishikori [9] | 5-7,5-7 | |
| ATP - Brisbane | 01/02 02:15 | 26 | [63] Denis Kudla v Kei Nishikori [9] | 5-7,2-6 | |
| ATP World Tour - Finale | 11/15 14:00 | 3 | [8] Dominic Thiem v Kei Nishikori [9] | 6-1,6-4 | |
| ATP World Tour - Finale | 11/13 14:00 | 2 | [6] Kevin Anderson v Kei Nishikori [9] | 6-0,6-1 | |
| ATP World Tour - Finale | 11/11 20:00 | 1 | [3] Roger Federer v Kei Nishikori [9] | 6-7,3-6 | |
| ATP - Paris | 11/02 21:05 | 27 | [11] Kei Nishikori v Roger Federer [3] | 4-6,4-6 | |
| ATP - Paris | 11/01 20:05 | 26 | [6] Kevin Anderson v Kei Nishikori [11] | 4-6,4-6 |
Wikipedia - Kei Nishikori
Kei Nishikori (japanisch 錦織 圭 Nishikori Kei; * 29. Dezember 1989 in Matsue, Präfektur Shimane) ist ein japanischer Tennisspieler.