Stadium: Court 8 Round: 44 Ground: Clay
| ITF Kazakhstan F5 Qual | 2018/04/22 07:55 | Dubinsky, Vladislav v Ishtuganov, Dmytro | 6-4,3-6,6-1 |
| ITF Kazakhstan F4 | 2018/04/17 06:40 | Dubinsky, Vladislav v Bogdan Bobrov | 6-3,2-6,1-6 |
| ITF Kazakhstan F4 Qual | 2018/04/16 10:05 | Dubinsky, Vladislav v Dorozhkin, Sergey | 7-5,6-0 |
| ITF Kazakhstan F4 Qual | 2018/04/16 06:30 | Dubinsky, Vladislav v Maulenov, Timur | 6-4,6-4 |
| ITF Kazakhstan F3 | 2018/04/10 09:00 | Dubinsky, Vladislav v Song, Min-Kyu | 1-6,2-6 |
| ITF Kazakhstan F3 Qual | 2018/04/09 06:35 | Shofayziyev, Shonigmatjon v Dubinsky, Vladislav | 2-6,2-6 |
| ITF Kazakhstan F3 Qual | 2018/04/08 15:10 | Korobeynikov, Grigoriy v Dubinsky, Vladislav | 1-6,2-6 |
| ITF Russia F3 | 2018/03/12 07:00 | Betov, Sergey v Dubinsky, Vladislav | 7-6,6-7,6-3 |
| ITF Kazakhstan F4 Qual | 2018/04/15 09:00 | Narbekov, Sultan v Imanol L Morillo | 3-6,4-6 |
| ITF Kazakhstan F4 Qual | 2018/04/14 10:10 | Prudnikau, Aliaksandr v Narbekov, Sultan | 6-7,3-6 |
| ITF Kazakhstan F3 Qual | 2018/04/08 07:30 | Terzyan, Rafik v Narbekov, Sultan | 7-5,6-0 |
| ITF Kazakhstan F2 Qual | 2018/02/17 04:00 | Narbekov, Sultan v Yulik, Viacheslav | 1-6,6-7 |
| Challenger Almaty Qual | 2017/09/30 05:30 | Narbekov, Sultan v Molchanov, Denys | 4-6,4-6 |
| ITF Kazakhstan F7 Qual | 2017/09/25 04:00 | Tsivadze, George v Narbekov, Sultan | 7-5,6-3 |
| ITF Kazakhstan F7 Qual | 2017/09/24 07:05 | Narbekov, Sultan v Shofayziyev, Shonigmatjon | 4-6,6-1,6-2 |
| ITF Kazakhstan F7 Qual | 2017/09/23 07:00 | Narbekov, Sultan v Taranin, Iliya | 6-1,7-6 |