| UTR Pro Tennis Series Bradenton | 2022/03/11 18:45 | Nortey, Isaac Nortie v Sysoev, Nikolay | 6-3,6-4 |
| UTR Pro Florida | 2023/07/03 18:29 | Sysoev, Nikolay v Ethan Muza | 6-7,6-3,3-6 |
| UTR Pro Florida | 2023/07/02 19:24 | Benjamin Kittay v Sysoev, Nikolay | 3-6,6-1,2-5 |
| UTR Pro Florida | 2023/05/28 14:00 | Sysoev, Nikolay v Giddens, Maxwell | 7-6,6-2 |
| UTR Pro Florida | 2023/05/27 17:36 | Michal Lusovsky v Sysoev, Nikolay | 3-6,0-5 |
| UTR Pro Florida | 2023/05/26 14:00 | Sasha Rozin v Sysoev, Nikolay | 2-6,7-6,4-6 |
| ITF M15 Edmond | 2023/01/25 21:20 | Sysoev, Nikolay v Lucas Renard | 4-6,5-7 |
| ITF M15 Edmond | 2023/01/24 16:00 | Sysoev, Nikolay v Stefan Cooper | 3-6,6-3,7-10 |
| ITF - M15 Monastir | 2023/01/02 16:20 | Wunderlich, Yannick v Sysoev, Nikolay | 2-6,6-4,10-7 |
| UTR Pro Florida | 2023/07/03 16:30 | Benjamin Kittay v Nortey, Isaac Nortie | 4-6,2-6 |
| UTR Pro Florida | 2023/07/02 22:32 | Ethan Muza v Nortey, Isaac Nortie | 6-7,0-6 |
| UTR Pro Calgary | 2023/06/17 18:03 | Schnur, Brayden v Nortey, Isaac Nortie | 6-1,5-2 |
| UTR Pro Calgary | 2023/06/16 22:30 | Nortey, Isaac Nortie v Jonathan Irwanto | 4-6,2-5 |
| UTR Pro Calgary | 2023/06/15 00:45 | Nortey, Isaac Nortie v Chetanna Amadike | 6-3,5-7,6-2 |
| UTR Pro Calgary | 2023/06/13 19:30 | Nortey, Isaac Nortie v John Kim | 6-3,6-3 |
| UTR Pro Calgary | 2023/06/12 20:58 | Rikuto Yamaguchi v Nortey, Isaac Nortie | 5-7,6-7 |
| UTR Pro Calgary | 2023/06/11 15:00 | Nortey, Isaac Nortie v Aram Noroozian | 7-6,6-7,4-6 |