Stadium: Court 6 Round: 25 Ground: Hardcourt indoor
| ITF France F1 | 2018/01/12 12:05 | Desein, Niels v Jacq, Gregoire | 6-7,6-7 |
| ITF France F1 | 2018/01/11 10:00 | Desein, Niels v Joffrey De Schepper | 6-2,7-6 |
| ITF France F1 | 2018/01/09 11:30 | Desein, Niels v Delmas, Amaury | 6-4,5-7,6-2 |
| Challenger Bratislava | 2017/11/08 10:00 | Mikhail Kukushkin v Desein, Niels | 6-7,6-3,6-4 |
| Challenger Bratislava | 2017/11/07 12:30 | Igor Sijsling v Desein, Niels | 4-6,2-6 |
| Challenger Bratislava Qual | 2017/11/06 09:00 | Viola, Matteo v Desein, Niels | 6-3,6-7,2-6 |
| Challenger Bratislava Qual | 2017/11/05 10:40 | Desein, Niels v Krawietz, Kevin | 6-7,6-4,6-4 |
| Challenger Bratislava Qual | 2017/11/04 11:30 | Vasilevski, Andrei v Desein, Niels | 4-6,4-6 |
| ITF Turkey F2 | 2018/01/18 09:25 | Sude, Jakob v Quinzi, Gianluigi | 2-6,5-7 |
| ITF Turkey F2 | 2018/01/17 07:30 | Sude, Jakob v Kiyamov, Timur | 6-2,6-4 |
| ITF Turkey F2 | 2018/01/16 07:30 | Sude, Jakob v Zgombic, Fran Zvonimir | 6-4,6-7,6-2 |
| ITF Turkey F2 | 2018/01/15 07:00 | Sude, Jakob v Na, Jung-Woong | 4-6,7-5,6-4 |
| ITF Turkey F2 | 2018/01/14 07:00 | Sude, Jakob v Rose, Joshua | 7-6,6-1 |
| ITF Turkey F1 | 2018/01/10 08:00 | Kimmer Coppejans v Sude, Jakob | 6-0,6-4 |
| ITF Czech Republic F12 | 2017/11/30 11:00 | Sude, Jakob v Constant Lestienne | 7-5,2-6,1-6 |
| ITF Czech Republic F12 | 2017/11/29 10:40 | Sude, Jakob v Langmajer, Dominik | 6-2,6-3 |