| Maribor, Singles Main, M-ITF-SLO-06A | 2023/08/30 12:00 | Rumler, Robert v Nicolas Zanellato | 0-6,2-6 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/08/29 10:55 | Rumler, Robert v Maks Meh | 1-6,6-0,10-6 |
| Maribor, Singles Main, M-ITF-SLO-06A | 2023/08/28 11:25 | Rumler, Robert v Novak, Marko | 6-1,6-3 |
| UTR - Pro Olomouc | 2023/07/08 08:06 | Suc, Dominik v Rumler, Robert | 6-4,7-6 |
| UTR - Pro Olomouc | 2023/07/07 06:00 | Ventre, Alessandro-Damiano v Rumler, Robert | 6-3,2-6,4-5 |
| UTR - Pro Olomouc | 2023/07/06 10:00 | Jan Jermar v Rumler, Robert | 6-3,6-4 |
| UTR - Pro Olomouc | 2023/07/05 07:30 | Jonasz Dziopak v Rumler, Robert | 1-6,6-7 |
| UTR - Pro Olomouc | 2023/07/03 06:48 | Maxwell Benson v Rumler, Robert | 5-7,6-7 |
| ITF M25 Jablonec Nad Nisou | 2023/08/31 10:40 | Petr Michnev v Jiri Barnat | 6-7,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/08/30 09:25 | Akram El Sallaly v Petr Michnev | 2-6,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/08/29 12:50 | Petr Michnev v Filip Vacula | 6-0,6-2 |
| ITF M25 Jablonec Nad Nisou | 2023/08/28 09:00 | Dao, Dung Em Oliver v Petr Michnev | 3-6,0-6 |
| ITF M25 Jablonec Nad Nisou | 2023/08/27 10:30 | Milosz Sroka v Petr Michnev | 0-6,3-6 |
| ITF M25 Wroclaw | 2021/06/30 09:30 | Orlando Luz v Petr Michnev | 6-2,6-4 |
| ITF M25 Wroclaw | 2021/06/29 08:00 | Alibek Kachmazov v Petr Michnev | 6-4,3-6,7-10 |
| ITF M25 Wroclaw | 2021/06/28 09:40 | Taiyo Yamanaka v Petr Michnev | 5-7,2-6 |