Stadium: Centre Court Round: 26 Ground: Hardcourt outdoor
| 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 Uzbekistan F4 | 2018/06/06 05:00 | Khumoyun Sultanov v Anil Yuksel | 6-3,6-3 |
| ITF Uzbekistan F4 | 2018/06/05 10:15 | Khumoyun Sultanov v Shohruh Abdumalikov | 6-0,6-0 |
| ITF Uzbekistan F3 | 2018/05/30 10:10 | Cem Ilkel v Khumoyun Sultanov | 6-4,6-3 |
| ITF Uzbekistan F3 | 2018/05/29 07:30 | Pavel Tsoy v Khumoyun Sultanov | 2-6,1-6 |
| Challenger Samarkand Qual | 2018/05/15 05:30 | Sergey Fomin v Khumoyun Sultanov | 6-2,6-2 |
| Challenger Fergana | 2018/06/19 05:00 | David Guez v Enrique Lopez-Perez | 0-6,6-2,2-6 |
| Challenger Almaty | 2018/06/15 05:00 | Pedja Krstin v Enrique Lopez-Perez | 6-1,6-3 |
| Challenger Almaty | 2018/06/14 06:35 | Tsung-Hua Yang v Enrique Lopez-Perez | 5-7,3-6 |
| Challenger Almaty | 2018/06/13 08:25 | Enrique Lopez-Perez v Uladzimir Ignatik | 6-3,6-0 |
| Challenger Almaty | 2018/06/11 06:25 | Yasutaka Uchiyama v Enrique Lopez-Perez | 7-5,3-6,2-6 |
| Challenger Shymkent | 2018/06/05 06:10 | Laurynas Grigelis v Enrique Lopez-Perez | 6-3,7-5 |
| Challenger Vicenza | 2018/05/29 14:40 | Hugo Dellien v Enrique Lopez-Perez | 6-0,5-7,6-0 |
| French Open Qual | 2018/05/22 10:25 | Enrique Lopez-Perez v Stefano Travaglia | 4-6,3-6 |