Stadium: Court 3 Round: 28 Ground: Clay
| Egypt F7, Singles Qualifying | 2017/02/27 08:00 | Khassanov, Roman v Denis Klok | 4-6,2-6 |
| Kazakhstan F6, Singles | 2018/09/13 06:30 | Ayap, Sagadat v Khassanov, Roman | 2-6,3-6 |
| Kazakhstan F6, Singles | 2018/09/12 07:10 | Yulik, Viacheslav v Khassanov, Roman | 3-6,6-3,3-6 |
| Kazakhstan F6, Singles | 2018/09/11 08:25 | Mugevicius, Lukas v Khassanov, Roman | 5-7,1-6 |
| ITF Ukraine F4 | 2018/08/29 14:30 | Khassanov, Roman v Ivan Sergeyev | 6-7,1-6 |
| ITF Ukraine F4 | 2018/08/28 13:00 | Khassanov, Roman v Vadym Ursu | 6-2,6-2 |
| ITF Belarus F3 | 2018/08/21 08:15 | Khassanov, Roman v Cengiz Aksu | 1-6,4-6 |
| ITF Belarus F1 | 2018/08/09 08:35 | Khassanov, Roman v Betov, Sergey | 2-6,7-5,6-7 |
| ITF Belarus F1 | 2018/08/08 09:05 | Khassanov, Roman v Khomich, Aleksei | 6-2,6-1 |
| Kazakhstan F6, Singles | 2018/09/13 06:55 | Mikalai Haliak v Denis Klok | 1-6,7-6,4-6 |
| Kazakhstan F6, Singles | 2018/09/12 09:15 | van Den Berg, Bart v Denis Klok | 1-6,1-6 |
| Kazakhstan F6, Singles | 2018/09/11 05:00 | Kedriouk, Alexey v Denis Klok | 1-6,1-6 |
| Serbia F5, Singles | 2018/09/08 11:00 | Denis Klok v Katic, Dejan | 3-6,6-3,1-6 |
| Serbia F5, Singles | 2018/09/07 08:00 | Denis Klok v Fabian Marozsan | 6-2,6-4 |
| Serbia F5, Singles | 2018/09/04 08:00 | Denis Klok v Subanovic, Nemanja | 6-1,6-4 |
| ITF Russia F8 | 2018/08/28 10:45 | Denis Klok v Bogdan Bobrov | 1-6,3-6 |
| ITF Latvia F1 | 2018/08/04 08:00 | Slobodchikov, Ronald v Denis Klok | 6-2,6-0 |