Stadium: Court 1 Round: 25 Ground: Carpet indoor
| 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 Ricany | 2019/09/24 08:00 | Robert Rumler v Buvaysar Gadamauri | 6-2,6-3 |
| ITF M25 Ricany | 2019/09/23 08:00 | Frane Nincevic v Robert Rumler | 3-6,4-6 |
| ITF M25 Gyor | 2019/08/28 14:50 | Fabian Marozsan v Robert Rumler | 6-3,1-6,6-3 |
| ITF M25 Gyor | 2019/08/27 10:00 | Robert Rumler v Ivan Randjelovic | 6-2,6-1 |
| ITF M15 Agadir | 2019/07/29 09:00 | Robert Rumler v August Holmgren | 5-7,2-6 |
| ITF M15 Bad Salzdetfurth | 2019/10/08 15:30 | Michal Konecny v Karlo Cubelic | 6-1,7-6 |
| ITF M15 Cancun | 2019/09/25 16:00 | Adam El Mihdawy v Karlo Cubelic | 6-3,6-4 |
| ITF M15 Cancun | 2019/09/19 15:50 | Karlo Cubelic v Adam El Mihdawy | 1-6,6-3,3-6 |
| ITF M15 Cancun | 2019/09/12 14:30 | Karlo Cubelic v Jorge Panta | 7-5,1-6,2-6 |
| ITF M15 Cancun | 2019/09/10 16:05 | Hillel Rousseau v Karlo Cubelic | 6-3,6-7,1-6 |
| ITF M15 Tabarka | 2019/08/21 08:00 | Karlo Cubelic v Franco Feitt | 6-7,2-6 |
| ITF M15 Tabarka | 2019/08/16 08:00 | Karlo Cubelic v Lorenzo Bocchi | 1-6,4-6 |
| ITF M15 Tabarka | 2019/08/15 08:00 | Karlo Cubelic v Nicolas Bianchi | 6-2,6-1 |