| Croatia Open | 2019/05/14 14:20 | Alexander Valuch v Nikola Marinkovic | L | 3-0 |
| Challenger - Ochsenhausen | 2019/12/06 07:30 | Nikola Marinkovic v Michal Benes | L | 0-3 |
| Challenger - Ochsenhausen | 2019/12/05 10:50 | Nikola Marinkovic v Dauud Cheaib | L | 0-3 |
| Challenger - Ochsenhausen | 2019/12/05 08:10 | Jon Ander Guerricabeitia v Nikola Marinkovic | L | 3-1 |
| Challenger - Ochsenhausen | 2019/12/04 12:50 | Sven Happek v Nikola Marinkovic | W | 1-3 |
| Challenger - Ochsenhausen | 2019/12/04 10:50 | Nikola Marinkovic v Abhishek Yadav | L | 0-3 |
| Challenger - Ochsenhausen | 2019/12/04 08:50 | Nikola Marinkovic v Tomasz Tomaszuk | W | 3-1 |
| Croatia Open | 2019/05/14 14:20 | Alexander Valuch v Nikola Marinkovic | L | 3-0 |
| Croatia Open | 2019/05/14 09:00 | Kenji Matsudaira v Nikola Marinkovic | L | 3-0 |
| Challenger - Ochsenhausen | 2019/12/06 08:10 | Jon Ander Guerricabeitia v Alexander Valuch | W | 2-3 |
| Challenger - Ochsenhausen | 2019/12/05 12:50 | Sven Happek v Alexander Valuch | W | 0-3 |
| Challenger - Ochsenhausen | 2019/12/05 10:10 | Alexander Valuch v Abhishek Yadav | W | 3-2 |
| Challenger - Ochsenhausen | 2019/12/05 07:30 | Alexander Valuch v Tomasz Tomaszuk | W | 3-0 |
| Challenger - Ochsenhausen | 2019/12/04 12:10 | Alexander Valuch v Dauud Cheaib | L | 1-3 |
| Challenger - Ochsenhausen | 2019/12/04 09:30 | Michal Benes v Alexander Valuch | W | 2-3 |
| Challenger - Ochsenhausen | 2019/12/03 13:35 | Abdel Kader Salifou v Alexander Valuch | L | 3-2 |
| Challenger - Ochsenhausen | 2019/12/03 12:00 | Gleb Shamruk v Alexander Valuch | W | 1-3 |