Stadium: Center Court Round: 25 Ground: Hardcourt indoor
| ATP Sofia Qual | 2018/02/05 11:20 | Martin Klizan v Salvatore Caruso | 1-6,6-4,6-3 |
| ATP Sofia Qual | 2018/02/04 16:45 | Martin Klizan v Tobias Kamke | 6-4,6-3 |
| Challenger Quimper | 2018/02/01 16:50 | Martin Klizan v Tristan Lamasine | 6-3,4-6,6-7 |
| Challenger Quimper | 2018/01/31 16:45 | Martin Klizan v David Guez | 6-7,6-2,6-4 |
| Challenger Almaty | 2017/10/03 04:15 | Ivan Nedelko v Martin Klizan | 6-3,5-7,6-1 |
| Challenger Rome 2 | 2017/09/28 11:30 | Ricardo Ojeda Lara v Martin Klizan | 7-6,6-2 |
| Challenger Rome 2 | 2017/09/26 10:30 | Casper Ruud v Martin Klizan | 2-6,4-6 |
| Challenger Sibiu | 2017/09/18 10:20 | Riccardo Bellotti v Martin Klizan | 6-3,6-1 |
| ITF Greece F10 | 2017/11/19 09:00 | Alexander Donski v Alexey Zakharov | 1-6,4-6 |
| ITF Greece F9 Qual | 2017/11/13 10:30 | Antoine Walch v Alexander Donski | 6-2,7-6 |
| ITF Greece F9 Qual | 2017/11/12 09:00 | Cristiano Russo v Alexander Donski | 4-6,4-6 |
| ITF Greece F9 Qual | 2017/11/11 10:00 | Vito Dell'Elba v Alexander Donski | 4-6,6-7 |
| ITF Greece F8 | 2017/11/08 11:40 | Tallon Griekspoor v Alexander Donski | 6-3,6-4 |
| ITF Greece F7 | 2017/10/30 08:00 | Alexander Donski v Mousheg Hovhannisyan | 2-6,3-6 |
| ITF Greece F7 | 2017/10/29 11:00 | Darko Jandric v Alexander Donski | 6-7,5-7 |
| ITF Greece F7 | 2017/10/28 10:30 | Alexander Donski v Joshua Rose | 7-6,7-6 |