| ITF Belgium F4 | 2017/07/13 13:35 | Christian Sigsgaard v Alexis Musialek | 4-6,3-6 |
| ITF Belgium F4 | 2017/07/11 15:15 | Christian Sigsgaard v Victor Poncelet | 7-5,6-4 |
| ITF Belgium F4 Qual | 2017/07/09 12:30 | Christian Sigsgaard v Lucas Poullain | 6-7,6-3,7-6 |
| ITF Belgium F4 Qual | 2017/07/09 08:50 | Christian Sigsgaard v Tommaso Metti | 6-0,6-4 |
| ITF Belgium F4 Qual | 2017/07/08 12:30 | Dennis Uspensky v Christian Sigsgaard | 4-6,2-6 |
| ITF Belgium F3 Qual | 2017/07/02 08:00 | Florian Lakat v Christian Sigsgaard | 6-2,6-4 |
| ITF Belgium F3 Qual | 2017/07/01 10:00 | Guillaume Dermiens v Christian Sigsgaard | 1-6,0-6 |
| ITF Greece F2 | 2016/03/30 09:00 | Vaclav Safranek v Christian Sigsgaard | 1-6,6-1,6-4 |
| Challenger Mallorca | 2019/08/27 16:00 | Daniel Masur v Cem Ilkel | 6-3,6-4 |
| US Open | 2019/08/22 17:00 | Tallon Griekspoor v Cem Ilkel | 7-5,6-3 |
| US Open | 2019/08/20 21:50 | Cem Ilkel v Roberto Quiroz | 6-1,6-4 |
| Challenger Granby | 2019/07/25 14:00 | Cem Ilkel v Zhe Li | 6-4,6-7,5-7 |
| Challenger Granby | 2019/07/23 17:05 | Maxime Janvier v Cem Ilkel | 5-7,3-6 |
| Challenger Granby | 2019/07/22 17:30 | Cem Ilkel v Jacob Grills | 6-1,6-0 |
| Challenger Gatineau | 2019/07/18 15:40 | Cem Ilkel v Marc Polmans | 3-6,6-1,1-6 |
| Challenger Gatineau | 2019/07/16 18:20 | Mikael Torpegaard v Cem Ilkel | 4-6,6-4,2-6 |