Stadium: Main Court (7) Round: 44 Ground: Clay
| UTR Pro Tennis Series Copenhagen | 2021/06/14 08:00 | Robert Rumler v Sebastian Grundtvig Jorgensen | 0-0 |
| ITF M25 Prague | 2021/05/10 08:00 | Robert Rumler v Robin Stanek | 0-6,3-6 |
| ITF M25 Prague | 2021/05/09 07:30 | Marco Furlanetto v Robert Rumler | 6-7,6-1,7-10 |
| ITF M15 Olomouc | 2019/10/17 07:55 | Petr Nouza v Robert Rumler | 6-7,6-4,6-4 |
| ITF M15 Olomouc | 2019/10/16 09:20 | Robert Rumler v Karlo Cubelic | 4-6,6-4,6-1 |
| ITF M15 Olomouc | 2019/10/15 08:00 | Bernardo A P E Oliveira v Robert Rumler | 2-6,2-6 |
| ITF M15 Olomouc | 2019/10/14 08:00 | Robert Rumler v Domagoj Biljesko | 6-4,3-6,10-7 |
| ITF M25 Ricany | 2019/09/25 14:05 | Wojciech Marek v Robert Rumler | 7-5,7-6 |