Round: 45 Ground: Carpet indoor
| ITF M25 Ricany | 2019/09/25 14:05 | Marek, Wojciech v Rumler, Robert | 7-5,7-6 |
| ITF M25 Ricany | 2019/09/24 08:00 | Rumler, Robert v Buvaysar Gadamauri | 6-2,6-3 |
| ITF M25 Ricany | 2019/09/23 08:00 | Nincevic, Frane v Rumler, Robert | 3-6,4-6 |
| Gyor, Qualifications Simples M-ITF-HUN-04A | 2019/08/28 14:50 | Fabian Marozsan v Rumler, Robert | 6-3,1-6,6-3 |
| Gyor, Qualifications Simples M-ITF-HUN-04A | 2019/08/27 10:00 | Rumler, Robert v Randjelovic, Ivan | 6-2,6-1 |
| Agadir, Singles Qualifying M-ITF-MAR-03A | 2019/07/29 09:00 | Rumler, Robert v August Holmgren | 5-7,2-6 |
| ITF M25 Most | 2019/05/27 09:30 | Rumler, Robert v Cintl, Matej | 7-5,3-6,12-14 |
| Czech Republic F6, Singles Qualifying | 2015/07/04 11:00 | Marko, Michal v Rumler, Robert | 2-6,2-6 |
| ITF M25 Ricany | 2019/09/25 09:30 | Pena Lopez, Manuel v Domagoj Biljesko | 6-2,6-7,6-2 |
| ITF M25 Ricany | 2019/09/24 08:00 | Michael Gloeckler v Domagoj Biljesko | 6-7,1-6 |
| ITF M25 Ricany | 2019/09/22 10:30 | Krystof Zapsky v Domagoj Biljesko | 2-6,4-6 |
| ITF M15 Zlatibor | 2019/09/17 07:00 | Domagoj Biljesko v Popovic, Mihailo | 1-6,2-6 |
| Szekesfehervar, Singles Qualifying M-ITF-HUN-05A | 2019/09/02 08:00 | Georgii Kravchenko v Domagoj Biljesko | 6-2,0-6,10-8 |
| Gyor, Qualifications Simples M-ITF-HUN-04A | 2019/08/28 08:00 | Nik Razborsek v Domagoj Biljesko | 2-6,6-2,6-2 |
| ITF M15 Novi Sad | 2019/08/14 10:55 | Domagoj Biljesko v Nagy, Peter | 5-7,3-6 |
| ITF M15 Novi Sad | 2019/08/13 08:00 | Domagoj Biljesko v Vidak, Antun | 7-5,6-3 |