| ITF Egypt F30 | 2017/10/14 17:00 | Ante Bilic v Denis Merkulov | 6-4,6-3 |
| ITF Egypt F29 | 2017/10/07 13:00 | Denis Merkulov v Yannick Verwater | 6-2,2-6,3-6 |
| ITF Belarus F3 | 2017/08/20 07:00 | Denis Merkulov v Ivan Liutarevich | 6-7,3-6 |
| ITF Belarus F2 | 2017/08/12 09:30 | Joshua Paris v Denis Merkulov | 6-4,6-4 |
| ITF Russia F3 Qual | 2017/07/03 10:20 | Roman Blokhin v Denis Merkulov | 6-4,1-6,6-3 |
| ITF Russia F3 Qual | 2017/07/02 07:00 | Denis Merkulov v Artem Strokan | 6-2,6-1 |
| ITF Russia F3 Qual | 2017/07/01 07:00 | Denis Merkulov v Ramazan Nureev | 7-6,6-2 |
| ITF Russia F2 Qual | 2017/06/25 07:00 | Denis Merkulov v Vladislav Ivanov | 4-6,3-6 |
| ITF M15 Kazan | 2020/03/12 11:30 | Mikalai Haliak v Alexander Stepin | 2-6,7-6,3-6 |
| ITF M15 Kazan | 2020/03/11 08:40 | Alexander Stepin v Sergey Bolotov | 6-4,6-4 |
| ITF M15 Kazan | 2020/03/10 07:00 | Igor Kudriashov v Alexander Stepin | 4-6,2-6 |
| ITF M15 Kazan | 2020/03/09 11:05 | Alexander Stepin v Dmitry Myagkov | 6-3,6-1 |