Stadium: Court 2 Round: 26 Ground: Hardcourt indoor
| Challenger Astana | 2018/07/19 06:30 | Khumoyun Sultanov v Sebastian Ofner | 3-6,3-6 |
| Challenger Astana | 2018/07/17 05:30 | Farrukh Dustov v Khumoyun Sultanov | 4-6,2-6 |
| Challenger Astana Qual | 2018/07/15 04:30 | Arjun Kadhe v Khumoyun Sultanov | 1-6,6-3,2-6 |
| Challenger Astana Qual | 2018/07/14 05:20 | Mikhail Elgin v Khumoyun Sultanov | 2-6,4-6 |
| Challenger Fergana | 2018/06/20 06:30 | Khumoyun Sultanov v Enrique Lopez-Perez | 5-7,6-7 |
| Challenger Fergana | 2018/06/18 07:05 | Roberto Ortega-Olmedo v Khumoyun Sultanov | 6-7,3-6 |
| ITF Uzbekistan F4 | 2018/06/08 05:00 | Roman Safiullin v Khumoyun Sultanov | 6-4,7-5 |
| ITF Uzbekistan F4 | 2018/06/07 05:00 | Kristian Lozan v Khumoyun Sultanov | 4-6,4-6 |
| ITF Czech Republic F6 | 2018/07/13 11:45 | Alexander Vasilenko v Tomas Jirousek | 6-1,4-6,2-6 |
| ITF Czech Republic F6 | 2018/07/12 10:50 | Alexander Vasilenko v Rio Noguchi | 6-2,7-5 |
| ITF Czech Republic F6 | 2018/07/11 08:00 | Alexander Vasilenko v Pavel Nejedly | 1-6,6-3,6-3 |
| ITF Czech Republic F6 | 2018/07/10 08:00 | Vit Kopriva v Alexander Vasilenko | 3-6,5-7 |
| ITF Czech Republic F5 | 2018/07/05 10:40 | Marek Jaloviec v Alexander Vasilenko | 7-6,6-4 |
| ITF Czech Republic F5 | 2018/07/04 08:00 | Tadeas Paroulek v Alexander Vasilenko | 2-6,2-6 |
| ITF Czech Republic F5 | 2018/07/02 09:30 | Alexander Vasilenko v Rio Noguchi | 6-3,6-2 |
| ITF Czech Republic F4 | 2018/06/28 12:15 | Alexander Vasilenko v Roman Safiullin | 2-6,3-6 |