USA: Miami - Singles - Main |
| 1/64-finals | Kotov P. | van Assche L. | 0:2 (3:6, 5:7) | details | 20.03.2024 |
USA: Indian Wells - Singles - Main |
| 1/64-finals | Kotov P. | Tabilo A. | 1:2 (6:4, 3:6, 5:7) | details | 08.03.2024 |
United Arab Emirates: Dubai - Singles - Main |
| 1/16-finals | Kotov P. | Korda S. | 0:2 (0:6, 2:6) | details | 26.02.2024 |
Qatar: Doha - Singles - Main |
| 1/8-finals | Humbert U. | Kotov P. | 2:0 (6:4, 6:1) | details | 21.02.2024 |
| 1/16-finals | Kotov P. | Sonego L. | 2:0 (6:2, 7:5) | details | 19.02.2024 |
Australia: Australian Open - Singles - Main |
| 1/32-finals | Kotov P. | Cobolli F. | 1:3 (5:7, 3:6, 7:5, 2:6) | details | 17.01.2024 |
| 1/64-finals | Kotov P. | Rinderknech A. | 3:2 (7:5, 6:1, 66:7, 65:7, 6:3) | details | 14.01.2024 |
Hong Kong: Hong Kong - Singles - Main |
| Quarter-finals | Kotov P. | Ruusuvuori E. | 0:2 (3:6, 64:7) | details | 05.01.2024 |
| 1/8-finals | Musetti L. | Kotov P. | 0:2 (4:6, 3:6) | details | 03.01.2024 |
| 1/16-finals | Kotov P. | Borges N. | 2:0 (6:2, 6:4) | details | 01.01.2024 |
Bulgaria: Sofia - Singles - Main |
| Semi-finals | Kotov P. | Mannarino A. | 0:2 (2:6, 62:7) | details | 10.11.2023 |
| Quarter-finals | Fucsovics M. | Kotov P. | 0:2 (3:6, 63:7) | details | 09.11.2023 |
| 1/8-finals | Kotov P. | Baez S. | 1:1 RET. (3:6, 7:64, 0:0) | details | 08.11.2023 |
| 1/16-finals | Lazarov A. | Kotov P. | 1:2 (6:3, 1:6, 2:6) | details | 07.11.2023 |
France: Brest - Singles - Main |
| 1/16-finals | Mpetshi Perricard G. | Kotov P. | CAN. | details | 24.10.2023 |
Sweden: Stockholm - Singles - Main |
| Final | Kotov P. | Monfils G. | 1:2 (6:4, 66:7, 3:6) | details | 22.10.2023 |
| Semi-finals | Kecmanovic M. | Kotov P. | 0:2 (3:6, 4:6) | details | 21.10.2023 |
| Quarter-finals | Griekspoor T. | Kotov P. | 0:2 (64:7, 2:6) | details | 20.10.2023 |
| 1/8-finals | Sonego L. | Kotov P. | 0:2 (4:6, 5:7) | details | 18.10.2023 |
| 1/16-finals | Kotov P. | Eubanks C. | 2:1 (62:7, 6:3, 7:65) | details | 17.10.2023 |
China: Shanghai - Singles - Main |
| 1/64-finals | Kotov P. | Fils A. | 0:2 (1:6, 4:6) | details | 05.10.2023 |
China: Beijing - Singles - Qualification |
| Semi-finals | Kecmanovic M. | Kotov P. | 2:1 (7:5, 65:7, 6:1) | details | 26.09.2023 |
China: Chengdu - Singles - Main |
| 1/8-finals | Zverev A. | Kotov P. | 2:1 (7:65, 4:6, 6:1) | details | 23.09.2023 |
| 1/16-finals | Galan D. E. | Kotov P. | 0:2 (5:7, 5:7) | details | 21.09.2023 |
China: Chengdu - Singles - Qualification |
| Final | Kotov P. | Jasika O. | 2:0 (6:2, 6:2) | details | 20.09.2023 |
| Semi-finals | Kotov P. | Statham J. R. | 2:0 (6:3, 6:4) | details | 19.09.2023 |
USA: US Open - Singles - Main |
| 1/64-finals | Hijikata R. | Kotov P. | 3:1 (7:5, 5:7, 6:3, 7:5) | details | 28.08.2023 |
USA: Winston-Salem - Singles - Main |
| 1/32-finals | Kotov P. | Krueger M. | 0:2 (3:6, 4:6) | details | 21.08.2023 |
Germany: Hamburg - Singles - Qualification |
| Semi-finals | Kotov P. | Kovalik J. | 1:2 (3:6, 7:5, 4:6) | details | 22.07.2023 |
Sweden: Bastad - Singles - Main |
| 1/8-finals | Kotov P. | Rublev A. | 0:2 (3:6, 64:7) | details | 20.07.2023 |
| 1/16-finals | Cecchinato M. | Kotov P. | 0:2 (1:6, 2:6) | details | 18.07.2023 |
Sweden: Bastad - Singles - Qualification |
| Final | Kotov P. | Couacaud E. | 2:1 (6:4, 5:7, 6:3) | details | 17.07.2023 |
| Semi-finals | Kotov P. | Dahlin M. | 2:0 (6:4, 6:4) | details | 17.07.2023 |
Germany: Braunschweig - Singles - Main |
| Final | Agamenone F. | Kotov P. | 2:0 (7:5, 6:3) | details | 15.07.2023 |
| Semi-finals | Seyboth Wild T. | Kotov P. | 0:2 (4:6, 64:7) | details | 14.07.2023 |
| Quarter-finals | Kotov P. | Choinski J. | 2:1 (63:7, 6:3, 6:2) | details | 13.07.2023 |
| 1/8-finals | Kotov P. | Laaksonen H. | 1:0 RET. (6:0) | details | 12.07.2023 |
| 1/16-finals | Kotov P. | Dellien H. | 2:0 (7:67, 6:2) | details | 11.07.2023 |
Germany: Karlsruhe - Singles - Main |
| 1/8-finals | Riedi L. | Kotov P. | 2:0 (6:2, 7:67) | details | 05.07.2023 |
| 1/16-finals | Dougaz A. | Kotov P. | 1:2 (6:2, 2:6, 5:7) | details | 04.07.2023 |
Spain: Mallorca - Singles - Main |
| Quarter-finals | Harris L. | Kotov P. | 2:0 (7:5, 6:2) | details | 29.06.2023 |
| 1/8-finals | Kotov P. | Davidovich Fokina A. | 2:1 (2:6, 6:3, 6:4) | details | 27.06.2023 |
| 1/16-finals | Kotov P. | Tu L. | 2:0 (7:64, 6:3) | details | 26.06.2023 |
Spain: Mallorca - Singles - Qualification |
| Final | Kotov P. | Tu L. | 0:2 (65:7, 2:6) | details | 25.06.2023 |
| Semi-finals | Kotov P. | Verdasco F. | 2:0 (6:1, 7:65) | details | 24.06.2023 |