Stadium: Court 6 Round: 62 Ground: Clay
| ITF M25 Most | 2023/05/22 09:00 | Filip Duda v Robert Rumler | 2-6,3-6 |
| ITF M25 Most | 2023/05/21 08:00 | Josef Vagner v Robert Rumler | 0-6,1-6 |
| UTR Pro Tennis Series Slovenia | 2022/06/11 06:00 | Robert Rumler v Volodymyr Uzhylovskyi | 6-3,6-3 |
| UTR Pro Tennis Series Slovenia | 2022/06/10 13:00 | Nicholas Campbell v Robert Rumler | 3-6,1-5 |
| UTR Pro Tennis Series Slovenia | 2022/06/10 07:30 | Sebastian Dominko v Robert Rumler | 6-2,5-4 |
| UTR Pro Tennis Series Slovenia | 2022/06/08 08:00 | Nik Mikovic v Robert Rumler | 7-6,6-2 |
| UTR Pro Tennis Series Slovenia | 2022/06/06 07:30 | Filip Jeff Planinsek v Robert Rumler | 6-4,5-7,6-2 |
| UTR Pro Tennis Series Zadar | 2022/06/04 09:48 | Matyas Fuele v Robert Rumler | 7-6,5-3 |
| ITF M25 Most | 2023/05/22 09:00 | Shu Matsuoka v Stepan Pecak | 4-6,6-7 |
| ITF M25 Most | 2023/05/21 09:00 | Stepan Pecak v Andrin Casanova | 6-1,6-4 |
| ITF M25 Prague | 2023/05/15 11:00 | Illya Beloborodko v Stepan Pecak | 6-2,7-6 |
| ITF M15 Osijek | 2023/04/30 11:00 | Stepan Pecak v Lucio Carnevalle | 2-6,2-6 |
| ITF M25 Trnava | 2023/03/27 10:30 | Stepan Pecak v Adam Jurajda | 7-6,2-6,9-11 |
| ITF M25 Quinta Do Lago | 2023/03/08 12:00 | Stepan Pecak v Pijus Vaitiekunas | 5-7,4-6 |
| ITF M25 Quinta Do Lago | 2023/03/07 10:30 | Nico Hornitschek v Stepan Pecak | 4-6,4-6 |
| ITF M25 Loule | 2023/02/27 10:00 | Adria Soriano Barrera v Stepan Pecak | 6-2,6-1 |