Stadium: Centre Court Round: 45
| ITF Uzbekistan F2 Qual | 2018/04/22 07:55 | Amal Sultanbekov v Ahad Ermatov | 0-6,3-6 |
| ITF Uzbekistan F1 Qual | 2018/04/15 06:55 | Aleksei Khomich v Amal Sultanbekov | 6-1,6-2 |
| ITF Turkey F11 | 2018/03/17 07:00 | Amal Sultanbekov v Francisco Cerundolo | 0-6,1-6 |
| ITF Kazakhstan F1 Qual | 2018/02/11 04:00 | Khumoyun Sultanov v Amal Sultanbekov | 6-0,6-1 |
| ITF Kazakhstan F1 Qual | 2018/02/10 05:00 | Amal Sultanbekov v Fariduni Hamid | 4-6,6-3,6-4 |
| ITF Turkey F3 | 2018/01/20 07:00 | Amal Sultanbekov v Dmitry Myagkov | 4-6,6-0,5-7 |
| ITF Turkey F2 | 2018/01/14 07:30 | Patrik Rikl v Amal Sultanbekov | 6-2,6-1 |
| Challenger Tashkent Qual | 2017/10/08 06:00 | Danilo Petrovic v Amal Sultanbekov | 6-1,6-1 |
| Challenger Ostrava | 2018/05/01 12:10 | Adam Pavlasek v Marek Gengel | 6-2,6-3 |
| ITF Egypt F13 | 2018/04/12 08:00 | Pablo Vivero Gonzalez v Marek Gengel | 7-6,6-3 |
| ITF Egypt F13 | 2018/04/11 09:15 | Eduardo Struvay v Marek Gengel | 4-6,3-6 |
| ITF Egypt F12 | 2018/04/05 08:00 | Marek Gengel v Issam Haitham Taweel | 4-6,4-6 |
| ITF Egypt F12 | 2018/04/04 12:20 | Marek Gengel v Ren Nakamura | 6-4,6-4 |
| ITF Bahrain F1 | 2018/03/20 15:10 | Tadeas Paroulek v Marek Gengel | 6-4,6-2 |
| ITF Qatar F3 | 2018/03/13 12:00 | Jay Clarke v Marek Gengel | 6-4,6-2 |
| ITF Qatar F2 | 2018/03/06 13:50 | Tobias Simon v Marek Gengel | 6-4,6-2 |