Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF Qatar F2 | 2018/03/06 12:00 | Vanneste, Jeroen v Dembek, Michal | 2-6,3-6 |
| Tunisia F6, Singles Qualifying | 2018/02/13 10:55 | Tatlot, Johan Sebastien v Dembek, Michal | 4-6,6-2,6-1 |
| ITF Tunisia F5 | 2018/02/06 15:20 | Guez, David v Dembek, Michal | 7-6,6-2 |
| Challenger Sibiu | 2017/09/18 09:00 | Dembek, Michal v Marco Cecchinato | 1-6,5-7 |
| ITF Poland F11 | 2017/09/02 11:00 | Pawel Juszczak v Dembek, Michal | 7-6,6-3 |
| ITF Poland F11 | 2017/09/01 12:20 | Dembek, Michal v Kowalczyk, Mateusz | 7-5,6-3 |
| ITF Poland F11 | 2017/08/30 10:35 | Dembek, Michal v Yatsik, Yahor | 7-6,6-2 |
| ITF Poland F11 | 2017/08/29 14:30 | Dembek, Michal v Cordonnier, Gregorio | 6-3,6-1 |
| ITF Qatar F2 | 2018/03/06 13:30 | Ward, James v Merckx, Jonas | 7-5,4-6,2-6 |
| Qatar F1, Singles | 2018/03/01 12:00 | Merckx, Jonas v Giacalone, Omar | 0-6,7-5,6-7 |
| Qatar F1, Singles | 2018/02/28 12:00 | Merckx, Jonas v Butts, Skyler | 6-3,6-3 |
| Qatar F1, Singles | 2018/02/27 19:15 | Merckx, Jonas v Johansson, Morgan | 6-2,7-5 |
| ITF Egypt F34 | 2017/11/17 13:30 | Alexandre Muller v Merckx, Jonas | 6-4,6-3 |
| ITF Egypt F34 | 2017/11/16 13:30 | Kacper Zuk v Merckx, Jonas | 2-6,6-7 |
| ITF Egypt F34 | 2017/11/15 13:30 | Leduc, Antoine v Merckx, Jonas | 2-6,3-6 |
| ITF Egypt F33 | 2017/11/09 13:30 | Pawel Juszczak v Merckx, Jonas | 6-3,6-3 |