Round: 54 Ground: Hardcourt indoor
| ITF Russia F4 Qual | 2016/07/31 07:00 | Guskov, Alexander v Semenov, Alexandr | 2-6,0-6 |
| ITF Russia F4 Qual | 2016/07/30 09:00 | Guskov, Alexander v Merkulov, Denis | 6-4,6-7,7-5 |
| ITF Russia F3 Qual | 2016/07/02 07:00 | Alexander Chepik v Guskov, Alexander | 6-7,2-6 |
| ITF Belarus F1 Qual | 2015/10/19 08:30 | Davydov, Ivan v Guskov, Alexander | 6-0,6-1 |
| Russia F8, Singles Qualifying | 2014/08/17 08:30 | Guskov, Alexander v Desyatnik, Anton | 1-6,0-6 |
| ITF Russia F4 | 2017/07/22 07:00 | Kolobaev, Nikolay v Shainyan, Svyatoslav | 3-6,4-6 |
| ITF Georgia F3 | 2017/07/20 06:00 | Kolobaev, Nikolay v Bielinskyi, Oleksandr | 1-6,3-6 |
| ITF Georgia F3 | 2017/07/18 09:30 | Meparidze, Shota v Kolobaev, Nikolay | 4-6,6-7 |
| ITF Georgia F3 Qual | 2017/07/17 06:00 | Kvantaliani, Mykhailo v Kolobaev, Nikolay | 2-6,4-6 |
| ITF Georgia F3 Qual | 2017/07/16 07:00 | Hulme, Thomas v Kolobaev, Nikolay | 3-6,3-6 |
| ITF Georgia F2 | 2017/07/08 06:00 | Kolobaev, Nikolay v Wojnar, Bartosz | 1-6,3-6 |
| ITF Israel F12 | 2017/06/24 07:00 | Grassi Mazzuchi, Juan Pablo v Kolobaev, Nikolay | 6-3,7-5 |
| ITF Israel F11 | 2017/06/20 06:30 | Kolobaev, Nikolay v Diaz-Figueroa, Christopher | 5-7,4-6 |