Round: 27 Ground: Clay
| Challenger - Prostejov - Doubles Hommes | 2018/06/05 09:00 | Bury A / Peng H-Y v Hsieh / Margaroli | 6-7,2-6 |
| Challenger - Prostejov - Doubles Hommes | 2018/06/04 15:30 | Kolar Z / Pavlasek A v Jaloviec M / Safranek V | 6-2,6-2 |
| Challenger - Rome - Doubles Hommes | 2018/05/07 14:10 | Draganja M / Draganja T v Kolar Z / Pavlasek A | 6-3,2-6,10-4 |
| Challenger - Ostrava - Doubles Hommes | 2018/05/02 14:15 | Martinez / Nagal v Kolar Z / Pavlasek A | 6-3,6-7,10-3 |
| Challenger Budapest MD | 2018/02/05 13:10 | Kolar Z / Pavlasek A v Panfil G / Uzhylovskyi V | 6-7,6-1,10-12 |
| Challenger - Koblenz - Doubles Hommes | 2018/01/18 15:35 | Arends S / Sancic A v Kolar Z / Pavlasek A | 7-6,2-6,10-5 |