| UTR Pro Tennis Series - Zadar | 2021/11/18 10:30 | Christos Keisidis v Alexander Chepik | 6-3,6-2 |
| UTR Pro Tennis Series - Zadar | 2021/11/16 11:44 | Olexiy Kolisnyk v Alexander Chepik | 3-6,2-6 |
| UTR Pro Tennis Series - Zadar | 2021/11/15 12:00 | Denis Parshutin v Alexander Chepik | 6-7,3-5 |
| UTR Pro Tennis Series - Zadar | 2021/11/14 12:00 | Alexander Chepik v Egor Matvievici | 6-4,4-6,6-2 |
| ITF - M25 Nur-Sultan | 2021/10/26 05:00 | Daniel Ibragimov v Alexander Chepik | 6-3,6-3 |
| ITF - M25 Nur-Sultan | 2021/10/25 09:15 | Egor Khotchenkov v Alexander Chepik | 2-6,3-6 |
| ITF - M25 Nur-Sultan | 2021/10/19 05:05 | Alec Beckley v Alexander Chepik | 7-6,6-3 |
| ITF - M25 Nur-Sultan | 2021/10/18 10:35 | Adil Karakayev v Alexander Chepik | 2-6,3-6 |
| UTR Pro Tennis Series - Zadar | 2021/11/18 12:00 | Robert Rumler v Vladimir Popov | 6-2,5-1 |
| UTR Pro Tennis Series - Zadar | 2021/11/16 12:00 | Robert Rumler v Duje Kekez | 2-6,4-6 |
| UTR Pro Tennis Series - Zadar | 2021/11/15 12:00 | Robert Rumler v Valerii Naumenko | 6-0,6-0 |
| UTR Pro Tennis Series - Portoroz | 2021/08/29 09:30 | Robert Rumler v Egor Agafonov | 7-6,6-1 |
| UTR Pro Tennis Series - Portoroz | 2021/08/26 10:00 | Robert Rumler v Gal Emersic Potocnik | 6-2,6-1 |
| UTR Pro Tennis Series - Portoroz | 2021/08/26 07:00 | Robert Rumler v Giacomo Revelli | 3-6,4-6 |
| UTR Pro Tennis Series - Portoroz | 2021/08/25 07:00 | Robert Rumler v Paras Dahiya | 7-6,3-6,6-5 |
| ITF - M25 Prostejov | 2021/08/17 07:55 | Robert Rumler v Nick Chappell | 0-6,4-6 |