Stadium: Clay 1 Round: 62 Ground: Hardcourt outdoor
| 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 Kazakhstan F3 Qual | 2018/04/08 07:30 | Rafik Terzyan v Sultan Narbekov | 7-5,6-0 |
| ITF Kazakhstan F2 Qual | 2018/02/17 04:00 | Sultan Narbekov v Viacheslav Yulik | 1-6,6-7 |
| Challenger Almaty Qual | 2017/09/30 05:30 | Sultan Narbekov v Denys Molchanov | 4-6,4-6 |
| ITF Kazakhstan F7 Qual | 2017/09/25 04:00 | George Tsivadze v Sultan Narbekov | 7-5,6-3 |
| ITF Austria F4 | 2018/07/25 08:00 | Yuta Shimizu v Edward Hubner | 6-0,6-2 |
| ITF Austria F4 | 2018/07/24 10:15 | Edward Hubner v Neil Oberleitner | 3-6,6-2,7-6 |
| ITF Austria F4 Qual | 2018/07/22 11:15 | Lewie Lane v Edward Hubner | 2-6,1-6 |
| ITF Austria F4 Qual | 2018/07/21 10:00 | Edward Hubner v Jakob Aichhorn | 7-5,6-4 |
| ITF Austria F3 | 2018/07/14 07:15 | Edward Hubner v Christian Seraphim | 6-2,5-7,7-5 |
| ITF Austria F2 | 2018/07/11 12:25 | Edward Hubner v Eduardo Dischinger | 4-6,2-6 |
| ITF Austria F2 | 2018/07/10 12:35 | Frederik Press v Edward Hubner | 6-1,3-6,2-6 |
| ITF Austria F2 | 2018/07/08 10:15 | Carlos Kelaidis v Edward Hubner | 3-6,0-6 |