Stadium: Court 4 Round: 27 Ground: Carpet indoor
| ITF Estonia F3 | 2018/11/07 09:00 | Luca Castelnuovo v Alexander Vasilenko | 5-7,4-6 |
| ITF Estonia F3 | 2018/11/06 09:00 | Patrick Mayer v Alexander Vasilenko | 4-6,1-6 |
| ITF Estonia F2 | 2018/11/01 12:00 | Alexander Vasilenko v Luca Castelnuovo | 6-7,3-6 |
| ITF Estonia F2 | 2018/10/31 12:10 | Alexander Vasilenko v Nikita Mashtakov | 6-3,7-5 |
| ITF Estonia F2 | 2018/10/30 16:35 | Alexander Vasilenko v Masi Sarpola | 6-4,6-2 |
| ITF Czech Republic F6 | 2018/07/13 11:45 | Alexander Vasilenko v Tomas Jirousek | 6-1,4-6,2-6 |
| ITF Czech Republic F6 | 2018/07/12 10:50 | Alexander Vasilenko v Rio Noguchi | 6-2,7-5 |
| ITF Czech Republic F6 | 2018/07/11 08:00 | Alexander Vasilenko v Pavel Nejedly | 1-6,6-3,6-3 |
| ITF Estonia F3 | 2018/11/07 13:25 | Remy Bertola v Sergey Betov | 3-6,7-6,6-7 |
| ITF Estonia F3 | 2018/11/05 09:00 | Matvey Khomentovskiy v Sergey Betov | 4-6,2-6 |
| Challenger Shenzhen 2 | 2018/10/27 04:35 | Haitong Xia v Sergey Betov | 7-6,5-7,6-1 |
| Challenger Liuzhou | 2018/10/20 03:50 | Sergey Betov v Emil Ruusuvuori | 2-6,3-6 |
| Challenger Tashkent | 2018/10/06 09:55 | Teymuraz Gabashvili v Sergey Betov | 6-1,6-3 |
| Challenger Almaty 2 | 2018/09/30 05:00 | Sergey Betov v Illya Marchenko | 3-6,4-6 |
| Challenger Almaty 2 | 2018/09/29 07:55 | Sergey Betov v Szymon Walkow | 3-6,6-1,6-4 |
| Challenger Istanbul | 2018/09/09 09:00 | Sergey Betov v Tim Van Rijthoven | 2-6,5-7 |