Round: 26 Ground: Hardcourt indoor
| ITF France F21 | 2014/10/03 10:00 | Sebastien Boltz v Niels Desein | 2-6,5-7 |
| ITF France F7 | 2017/03/21 10:00 | Vladimir Ivanov v Niels Desein | 2-6,3-6 |
| ITF France F5 | 2017/03/08 14:25 | Fabien Reboul v Niels Desein | 2-6,6-4,7-5 |
| ITF France F5 | 2017/03/07 10:45 | Niels Desein v Hugo Voljacques | 6-2,6-3 |
| ITF France F4 | 2017/02/28 13:20 | Reda El Amrani v Niels Desein | 7-5,4-6,7-6 |
| ITF Egypt F6 | 2017/02/24 08:00 | Niels Desein v Benjamin Bonzi | 1-6,4-6 |
| ITF Egypt F6 | 2017/02/23 10:35 | Niels Desein v Nicola Kuhn | 6-4,6-2 |
| ITF Egypt F6 | 2017/02/22 11:20 | Niels Desein v Issam Haitham Taweel | 6-2,3-6,7-6 |
| ITF Great Britain F1 | 2017/02/04 11:15 | Filip Horansky v Niels Desein | 7-6,6-2 |
| ITF France F7 | 2017/03/20 13:00 | Sebastien Boltz v Christoph Negritu | 6-3,6-2 |
| ITF France F6 | 2017/03/16 14:10 | Antal Van Der Duim v Sebastien Boltz | 7-6,4-6,6-3 |
| ITF France F6 | 2017/03/15 15:30 | Sebastien Boltz v Matthieu Roy | 6-2,6-7,7-6 |
| ITF France F5 | 2017/03/07 13:00 | Yanais Laurent v Sebastien Boltz | 7-6,5-7,6-2 |
| ITF Great Britain F3 | 2017/02/15 13:10 | Sebastien Boltz v Filip Horansky | 6-7,0-6 |
| ITF Great Britain F3 | 2017/02/14 12:00 | Sebastien Boltz v Jay Clarke | 3-6,6-3,6-4 |
| ITF Switzerland F1 | 2017/02/09 16:25 | Matteo Berrettini v Sebastien Boltz | 6-4,3-6,6-3 |
| ITF Switzerland F1 | 2017/02/07 16:30 | Sebastien Boltz v Lukas Ruepke | 6-3,5-7,6-3 |