| UTR Pro Tennis Series Zadar | 2021/11/21 09:00 | Lawrence Bataljin v Robert Rumler | 6-3,6-3 |
| UTR Pro Tennis Series Zadar | 2021/11/20 09:00 | Martin Dimitrov v Robert Rumler | 2-6,4-4 |
| UTR Pro Tennis Series Zadar | 2021/11/19 12:00 | Alexander Chepik v Robert Rumler | 3-6,1-5 |
| 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 |
| ITF M15 Prijedor | 2022/05/17 10:00 | Mikhail Minakov v Pietro Pampanin | 3-6,3-6 |
| ITF M15 Meerbusch | 2022/05/03 08:00 | Jorge Martinez Martinez v Mikhail Minakov | 6-3,7-6 |
| ITF M15 Meerbusch | 2022/05/02 15:30 | Pietro Schiavetti v Mikhail Minakov | 3-6,3-6 |
| ITF M15 Meerbusch | 2022/05/01 13:30 | Julian Peter v Mikhail Minakov | 3-6,1-6 |
| ITF M15 Antalya | 2022/04/06 10:25 | Yuki Mochizuki v Mikhail Minakov | 2-6,6-3,6-2 |
| ITF M15 Antalya | 2022/04/05 07:00 | Mohamed Ali Abibsi v Mikhail Minakov | 4-6,3-6 |
| ITF M15 Antalya | 2022/04/03 07:00 | Mert Naci Turker v Mikhail Minakov | 4-6,4-6 |
| ITF M15 Antalya | 2022/03/31 07:00 | Sebastian Gima v Mikhail Minakov | 6-2,6-2 |