| International Tennis Series | 2020/04/20 17:00 | Jamie Cerretani v Adrian Andreev | 1-4,3-4 |
| International Tennis Series | 2020/04/20 13:00 | Preston Brown v Adrian Andreev | 4-2,1-4,0-4 |
| International Tennis Series | 2020/04/20 12:00 | Paolo Lorenzi v Adrian Andreev | 4-2,3-4,2-4 |
| International Tennis Series | 2020/04/18 18:00 | Paolo Lorenzi v Adrian Andreev | 4-3,4-2 |
| International Tennis Series | 2020/04/18 14:35 | Emmett Ward v Adrian Andreev | 2-4,0-4 |
| International Tennis Series | 2020/04/18 14:00 | Adrian Andreev v Evan King | 4-0,4-1 |
| ITF - M25 Naples | 2020/02/12 15:00 | Ronald Slobodchikov v Adrian Andreev | 6-4,6-4 |
| ITF - M25 Naples | 2020/02/11 15:00 | Jaume Pla Malfeito v Adrian Andreev | 1-6,2-6 |
| ITF - M15 Cancun | 2020/03/08 20:00 | Jose Olivares v Nikolay Sysoev | 6-3,6-2 |
| ITF - M25 Naples | 2020/02/09 15:00 | Nikolay Sysoev v Daniel Vrba | 1-6,3-6 |
| ITF - M15 Cancun | 2020/01/26 19:00 | Osgar O'Hoisin v Nikolay Sysoev | 6-0,6-1 |
| ITF - M15 Cancun | 2020/01/19 15:30 | Alexander Lebedev v Nikolay Sysoev | 6-2,6-2 |
| ITF - M15 Cancun | 2020/01/12 17:30 | Yeudy Villar v Nikolay Sysoev | 6-3,6-2 |
| ITF - M15 Cancun | 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 Cancun | 2019/08/26 15:30 | Nikolay Sysoev v Logan Smith | 1-6,2-6 |