| Challenger Ochsenhausen | 12/06 10:10 | 1 | Nikola Marinkovic v Alexander Valuch | L | 0-3 | |
| Challenger Ochsenhausen | 12/06 07:30 | 1 | Nikola Marinkovic v Michal Benes | L | 0-3 | |
| Challenger Ochsenhausen | 12/05 10:50 | 1 | Nikola Marinkovic v Dauud Cheaib | L | 0-3 | |
| Challenger Ochsenhausen | 12/05 08:10 | 1 | Jon Ander Guerricabeitia v Nikola Marinkovic | L | 3-1 | |
| Challenger Ochsenhausen | 12/04 12:50 | 1 | Sven Happek v Nikola Marinkovic | W | 1-3 | |
| Challenger Ochsenhausen | 12/04 10:50 | 1 | Nikola Marinkovic v Yadav Abhishek | L | 0-3 | |
| Challenger Ochsenhausen | 12/04 08:50 | 1 | Nikola Marinkovic v Tomasz Tomaszuk | W | 3-1 | |
| Croatia Open | 05/14 14:20 | - | Alexander Valuch v Nikola Marinkovic | L | 3-0 | |
| Croatia Open | 05/14 09:00 | - | Kenji Matsudaira v Nikola Marinkovic | L | 3-0 | |
| Slovenia Open U21 | 05/10 07:40 | - | Tibor Spanik v Nikola Marinkovic | W | 1-3 | |
| Slovenia Open | 05/08 15:40 | - | Hibiki Tazoe v Nikola Marinkovic | L | 3-2 | |
| Challenger Ochsenhausen | 03/05 11:20 | 1 | Nikola Marinkovic v Koyo Kanamitsu | L | 1-3 | |
| Challenger Ochsenhausen | 03/05 08:00 | 1 | Nikola Marinkovic v Francisco Sanchi | L | 0-3 | |
| Challenger Ochsenhausen | 03/04 19:00 | 1 | Nikola Marinkovic v Jiri Vrablik | L | 2-3 | |
| Challenger Ochsenhausen | 03/04 16:20 | 1 | Miroslav Horejsi v Nikola Marinkovic | L | 3-1 | |
| Challenger Ochsenhausen | 03/04 12:50 | 1 | Antonin Gavlas v Nikola Marinkovic | L | 3-0 | |
| Challenger Ochsenhausen | 03/04 10:50 | 1 | Nikola Marinkovic v Tomasz Tomaszuk | L | 0-3 | |
| Challenger Ochsenhausen | 03/04 08:50 | 1 | Nikola Marinkovic v Guillermo Martinez | L | 0-3 | |
| Challenger Ochsenhausen | 11/13 10:40 | 1 | Nikola Marinkovic v Romain Lorentz | L | 0-3 | |
| Challenger Ochsenhausen | 11/13 08:40 | 1 | Nikola Marinkovic v Lehel Demeter | W | 3-2 | |
| Challenger Ochsenhausen | 11/12 19:40 | 1 | Nikola Marinkovic v Miroslav Horejsi | L | 2-3 | |
| Challenger Ochsenhausen | 11/12 18:20 | 1 | Nikola Marinkovic v Jiri Vrablik | W | 3-2 | |
| Challenger Ochsenhausen | 11/12 12:50 | 1 | Nikola Marinkovic v Daniel Kiss | L | 2-3 | |
| Challenger Ochsenhausen | 11/12 10:10 | 1 | Nikola Marinkovic v Josip Huzjak | L | 0-3 | |
| Challenger Ochsenhausen | 11/12 07:30 | 1 | Nikola Marinkovic v Aleksa Gacev | W | Cancelled |