Stadium: Central Court (8) 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 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 11:00 | Lars Aregger v Piotr Galus | 3-6,1-6 |
| Polish National Tour | 2021/07/12 11:30 | Maciej Rajski v Piotr Galus | 6-1,6-2 |
| ITF M15 Monastir | 2020/10/25 09:00 | Taiyo Yamanaka v Piotr Galus | 6-3,6-2 |
| ITF M15 Monastir | 2020/10/19 08:30 | Mirko Martinez v Piotr Galus | 6-2,6-4 |
| ITF M15 Monastir | 2020/10/18 11:00 | Piotr Galus v Juan Ignacio Alcalde | 7-5,6-4 |
| ITF M25 Poznan | 2020/08/23 09:30 | Zdenek Derkas v Piotr Galus | 6-4,6-4 |
| Polish National Tour | 2020/08/21 09:00 | Aleksander Orlikowski v Piotr Galus | 6-4,6-7,6-1 |
| Polish National Tour | 2020/08/16 14:00 | Piotr Galus v Jan Zielinski | 3-6,3-6 |