Stadium: Court 7 Round: 25 Ground: Clay
| ITF Kazakhstan F7 | 2018/09/20 07:05 | Andrey Chepelev v Denis Klok | 3-6,6-3,6-3 |
| ITF Latvia F1 | 2017/08/02 14:40 | Andrey Chepelev v Denis Klok | 6-7,6-3,5-7 |
| ITF M15 Pirot | 2021/09/23 08:00 | Denis Klok v Kristijan Juhas | 1-6,0-6 |
| ITF M15 Zlatibor | 2021/09/14 09:30 | Denis Klok v Lukas Palovic | 3-6,3-6 |
| ITF M25 Denia | 2021/07/25 08:00 | Denis Klok v Lorenzo Joaquin Rodriguez | 6-7,1-6 |
| ITF M25 Gandia | 2021/07/19 09:00 | Denis Klok v Nacho Serra Sanchez | 6-7,6-0,2-10 |
| ITF M25 Gandia | 2021/07/18 07:00 | Denis Klok v Hans Albert Schubert | 6-3,6-2 |
| ITF M15 Sofia | 2021/07/07 07:00 | Denis Klok v Aleksandr Braynin | 4-6,3-6 |
| ITF M25 Belgrád | 2021/06/27 07:00 | Denis Klok v George Botezan | 3-6,1-6 |
| ITF M15 Antalya | 2021/04/28 11:40 | Francesco Maestrelli v Denis Klok | 1-6,6-2,6-1 |
| ITF M15 Pirot | 2021/09/25 14:30 | Andrey Chepelev v Cezar Cretu | 4-6,6-4,5-7 |
| ITF M15 Pirot | 2021/09/25 11:00 | Kristijan Juhas v Andrey Chepelev | 2-6,1-6 |
| ITF M15 Pirot | 2021/09/24 09:40 | Tomislav Jotovski v Andrey Chepelev | 2-6,2-6 |
| UTR Pro Tennis Series Ricany | 2021/09/18 09:00 | Andrey Chepelev v Matyas Cerny | 1-2 |
| UTR Pro Tennis Series Ricany | 2021/09/17 10:30 | Andrey Chepelev v Andrew Paulson | 3-6,2-5 |
| UTR Pro Tennis Series Ricany | 2021/09/15 09:00 | Andrey Chepelev v Dominik Suc | 6-3,2-2 |
| UTR Pro Tennis Series Ricany | 2021/09/14 10:30 | Andrey Chepelev v Marek Jaloviec | 4-6,7-5,4-5 |
| UTR Pro Tennis Series Ricany | 2021/09/13 10:30 | Jiri Jenicek v Andrey Chepelev | 4-6,4-6 |