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