Stadium: Court 8 Round: 44 Ground: Clay
| ITF M15 Cancun | 2020/01/26 19:00 | Osgar O'Hoisin v Sysoev, Nikolay | 6-0,6-1 |
| ITF M15 Cancun | 2020/01/19 15:30 | Lebedev, Alexander v Sysoev, Nikolay | 6-2,6-2 |
| ITF M15 Cancun | 2020/01/12 17:30 | Villar, Yeudy v Sysoev, Nikolay | 6-3,6-2 |
| ITF M15 Cancun | 2020/01/12 14:00 | Sysoev, Nikolay v Ortega, Joao Victor | 6-1,6-0 |
| ITF - M25 Naples | 2019/10/27 14:00 | Laalej, Mehdi v Sysoev, Nikolay | 6-2,6-1 |
| ITF M15 Cancun | 2019/08/26 15:30 | Sysoev, Nikolay v Smith, Logan | 1-6,2-6 |
| ITF M15 Cancun | 2019/08/19 14:30 | Miles Jones v Sysoev, Nikolay | 6-0,6-1 |
| ITF M15 Cancun | 2019/08/14 15:35 | Shamma, Nicholas v Sysoev, Nikolay | 6-1,6-0 |
| ITF M25 Weston | 2020/01/26 15:30 | Alex Rybakov v Vrba, Daniel | 6-0,6-1 |
| Milovice, Singles M-ITF-CZE-10A | 2019/11/11 11:00 | Vrba, Daniel v Jiri Barnat | 2-6,1-6 |
| ITF M15 Opava | 2019/10/28 12:00 | Piotr Grynkowski v Vrba, Daniel | 7-5,6-2 |
| ITF M15 Bratislava | 2019/08/26 08:00 | Selecky, Michal v Vrba, Daniel | 7-5,6-1 |
| ITF M15 Bratislava | 2019/08/25 10:00 | Jan Jermar v Vrba, Daniel | 2-6,1-6 |
| Baja, Singles Qualifying M-ITF-HUN-03A | 2019/08/15 13:30 | Vrba, Daniel v Daniel Paty | 6-3,4-6,5-7 |
| Baja, Singles Qualifying M-ITF-HUN-03A | 2019/08/15 08:00 | Vrba, Daniel v Mammetgulyyev, Isa | 6-3,6-1 |
| Baja, Singles Qualifying M-ITF-HUN-03A | 2019/08/13 08:00 | Vrba, Daniel v Zimbrek-Turkovic, Gaspar | 6-3,6-2 |