| Challenger - Ochsenhausen | 2018/07/09 11:10 | Jan Gorecki v Petr David | L | 1-3 |
| Challenger - Ochsenhausen | 2018/07/09 08:30 | Yannick Vostes v Jan Gorecki | L | 3-0 |
| Challenger - Ochsenhausen | 2018/07/09 10:30 | Yannick Vostes v Frane Runjic | L | 3-1 |
| Challenger - Ochsenhausen | 2018/07/09 07:50 | Ronald Redjep v Frane Runjic | L | 3-0 |
| Qatar Open - GD | 2018/04/11 10:50 | Maksim Kiselev v Frane Runjic | L | 4-3 |
| Qatar Open - GD | 2018/04/10 16:55 | Rares Sipos v Frane Runjic | L | 4-0 |
| Qatar Open - GD | 2018/04/10 10:50 | Jiaji Wu v Frane Runjic | L | 4-1 |