| ATP - Paríž | 11/02 21:05 | 27 | [11] Kei Nishikori v Roger Federer [3] | 4-6,4-6 | |
| ATP - Paríž | 11/01 20:05 | 26 | [6] Kevin Anderson v Kei Nishikori [11] | 4-6,4-6 | |
| ATP - Paríž | 10/31 10:00 | 25 | [46] Adrian Mannarino v Kei Nishikori [11] | 5-7,4-6 | |
| ATP - Viedeň | 10/28 13:00 | 29 | [11] Kei Nishikori v Kevin Anderson [8] | 3-6,6-7 | |
| ATP - Viedeň | 10/27 12:00 | 28 | [11] Kei Nishikori v Mikhail Kukushkin [71] | 6-4,6-3 | |
| ATP - Viedeň | 10/26 14:35 | 27 | [7] Dominic Thiem v Kei Nishikori [11] | 3-6,1-6 | |
| ATP - Viedeň | 10/25 11:00 | 26 | [19] Karen Khachanov v Kei Nishikori [11] | 2-6,2-6 | |
| ATP - Viedeň | 10/23 11:00 | 25 | [45] Frances Tiafoe v Kei Nishikori [11] | 6-7,7-5,2-6 | |
| ATP - Šanghaj | 10/12 11:50 | 27 | [2] Roger Federer v Kei Nishikori [12] | 6-4,7-6 | |
| ATP - Šanghaj | 10/11 08:55 | 26 | [57] Sam Querrey v Kei Nishikori [12] | 6-7,4-6 | |
| ATP - Šanghaj | 10/10 10:00 | 25 | [415] Yibing Wu v Kei Nishikori [12] | 6-3,0-6,3-6 | |
| ATP - Tokio | 10/07 06:30 | 29 | [32] Daniil Medvedev v Kei Nishikori [12] | 6-2,6-4 | |
| ATP - Tokio | 10/06 07:00 | 28 | [12] Kei Nishikori v Richard Gasquet [25] | 7-6,6-1 | |
| ATP - Tokio | 10/05 09:00 | 27 | [15] Stefanos Tsitsipas v Kei Nishikori [12] | 3-6,3-6 | |
| ATP - Tokio | 10/03 07:10 | 26 | [63] Benoit Paire v Kei Nishikori [12] | 3-6,5-7 | |
| ATP - Tokio | 10/01 06:40 | 25 | [100] Yuichi Sugita v Kei Nishikori [12] | 4-6,1-6 | |
| ATP - Metz | 09/22 13:40 | 28 | [12] Kei Nishikori v Matthias Bachinger [166] | 6-2,4-6,5-7 | |
| ATP - Metz | 09/21 16:00 | 27 | [12] Kei Nishikori v Nikoloz Basilashvili [31] | 6-3,4-6,6-4 | |
| ATP - Metz | 09/19 13:45 | 26 | [12] Kei Nishikori v Peter Gojowczyk [45] | 7-6,6-3 | |
| US Open | 09/07 22:50 | 28 | [19] Kei Nishikori v Novak Djokovič [6] | 3-6,4-6,2-6 | |
| US Open | 09/05 17:20 | 27 | [7] Marin Čilić v Kei Nishikori [19] | 6-2,4-6,6-7,6-4,4-6 | |
| US Open | 09/03 15:00 | 26 | [19] Kei Nishikori v Philipp Kohlschreiber [34] | 6-3,6-2,7-5 | |
| US Open | 09/01 21:00 | 25 | [13] Diego Schwartzman v Kei Nishikori [19] | 4-6,4-6,7-5,1-6 | |
| US Open | 08/30 23:00 | 24 | [39] Gael Monfils v Kei Nishikori [19] | Retired | |
| US Open | 08/28 22:35 | 23 | [50] Maximilian Marterer v Kei Nishikori [19] | 2-6,2-6,3-6 | |
| ATP - Cincinnati | 08/16 00:50 | 25 | [23] Kei Nishikori v Stan Wawrinka [151] | 4-6,4-6 | |
| ATP - Cincinnati | 08/13 15:00 | 24 | [23] Kei Nishikori v Andrey Rublev [37] | 7-5,6-3 | |
| ATP - Toronto | 08/07 15:00 | 24 | [22] Kei Nishikori v Robin Haase [39] | 5-7,1-6 | |
| ATP - Washington | 08/03 20:00 | 27 | [3] Alexander Zverev v Kei Nishikori [20] | 3-6,6-1,6-4 | |
| ATP - Washington | 08/03 01:55 | 26 | [26] Denis Shapovalov v Kei Nishikori [20] | 6-7,3-6 |
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.