Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF Russia F5 Qual | 2018/08/05 10:30 | Sultan Narbekov v Alexey Baryshev | 5-7,6-7 |
| ITF Russia F4 Qual | 2018/07/30 07:00 | Sultan Narbekov v Svyatoslav Shainyan | 2-6,2-6 |
| ITF Russia F4 Qual | 2018/07/29 11:00 | Oleg Besednikov v Sultan Narbekov | 3-6,3-6 |
| ITF Russia F4 Qual | 2018/07/29 07:00 | Sultan Narbekov v Andrey Budanov | 7-6,2-6,6-3 |
| Challenger Astana Qual | 2018/07/14 06:50 | Pavel Kotov v Sultan Narbekov | 6-1,6-3 |
| ITF Kazakhstan F5 Qual | 2018/04/23 05:00 | Vladislav Dubinsky v Sultan Narbekov | 6-1,6-0 |
| ITF Kazakhstan F4 Qual | 2018/04/15 09:00 | Sultan Narbekov v Imanol L Morillo | 3-6,4-6 |
| ITF Kazakhstan F4 Qual | 2018/04/14 10:10 | Aliaksandr Prudnikau v Sultan Narbekov | 6-7,3-6 |
| ITF China F12 | 2018/08/14 05:20 | Cing-Yang Meng v Luca Castelnuovo | 6-4,6-7,6-4 |
| ITF China F12 Qual | 2018/08/13 03:10 | Luca Castelnuovo v Hu Liu | 6-0,6-0 |
| ITF Morocco F2 | 2018/07/24 09:00 | Luca Castelnuovo v Franco Capalbo | 1-6,2-6 |
| ITF Morocco F1 | 2018/07/16 09:30 | Luca Castelnuovo v Ergi Kirkin | 2-6,2-6 |
| ITF Portugal F11 | 2018/07/05 10:30 | Luca Castelnuovo v Fred Gil | 0-6,1-6 |
| ITF Portugal F11 | 2018/07/04 09:55 | Martim L Prata v Luca Castelnuovo | 6-7,3-6 |
| ITF Israel F11 | 2018/06/26 06:30 | Luca Castelnuovo v Francesco Vilardo | 4-6,6-3,4-6 |
| ITF Israel F10 | 2018/06/21 08:30 | Luca Castelnuovo v Cameron Green | 3-6,7-6,3-6 |