Stadium: Court 11 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 Belgium F7 Qual | 2018/08/05 08:00 | Flemming Peters v Tim Van Der Horst | 6-2,6-4 |
| ITF Belgium F7 Qual | 2018/08/04 07:30 | Flemming Peters v Max Van Wijk | 6-0,6-2 |
| ITF Belgium F6 Qual | 2018/07/30 08:00 | Flemming Peters v Jakub Wojcik | 7-6,5-7,1-6 |
| ITF Belgium F6 Qual | 2018/07/29 08:00 | Flemming Peters v Nicolas Beaufort | 6-3,6-2 |
| ITF Belgium F5 | 2018/07/24 08:00 | Nicolas Alberto Arreche v Flemming Peters | 4-6,6-2,6-2 |
| ITF Belgium F5 | 2018/07/22 10:00 | Flemming Peters v Tribb De Jong | 6-1,6-0 |
| ITF Belgium F5 | 2018/07/21 11:00 | Flemming Peters v Guillaume Dermiens | 7-6,6-4 |
| ITF Netherlands F3 | 2018/07/07 11:30 | Maximilian Gatev v Flemming Peters | 6-3,6-3 |