| Challenger Marbella MD | 2018/03/31 16:40 | Klizan/Kovalik v Andreozzi/Behar | 3-6,4-6 |
| Challenger Marbella MD | 2018/03/28 16:50 | Melzer/M-Maceiras v Klizan/Kovalik | 4-6,2-6 |
| Challenger Marbella MD | 2018/03/26 12:45 | Gombos/Martin v Klizan/Kovalik | 2-6,1-6 |
| Challenger Rome 2 MD | 2017/09/30 12:35 | Klizan/Kovalik v Gille/Vliegen | 6-3,7-6 |
| Challenger Rome 2 MD | 2017/09/29 14:00 | Klizan/Kovalik v Junaid/Krawietz | 6-3,4-6,10-5 |
| Challenger Rome 2 MD | 2017/09/27 12:00 | Draganja/Draganja v Klizan/Kovalik | 2-6,1-6 |
| Challenger Rome 2 MD | 2017/09/25 11:50 | Klizan/Kovalik v Cecchinato/Donati | 7-6,6-3 |