Round: 54 Ground: Clay
| ITF France F12 Qual | 2018/07/01 08:30 | Joffrey De Schepper v Nathan Seateun | 6-2,7-5 |
| ITF Portugal F10 | 2018/06/26 16:50 | Nathan Seateun v Fred Gil | 6-3,2-6,5-7 |
| ITF Portugal F10 | 2018/06/25 09:30 | Nathan Seateun v Socrates Leon Tsoronis | 6-2,6-3 |
| ITF Portugal F10 | 2018/06/24 09:30 | Nathan Seateun v Bernardo Roque | 6-1,6-0 |
| ITF Portugal F9 | 2018/06/18 13:00 | Nathan Seateun v Nuno Borges | 2-6,4-6 |
| ITF Tunisia F20 | 2018/05/22 09:00 | Ergi Kirkin v Nathan Seateun | 4-6,6-4,6-3 |
| ITF France F9 Qual | 2018/04/29 10:10 | Julien Eon v Nathan Seateun | 6-3,6-4 |
| ITF France F9 Qual | 2018/04/28 14:40 | Etienne Donnet v Nathan Seateun | 1-6,3-6 |
| ITF Finland F3 Qual | 2017/08/12 07:00 | Patrik Brydolf v Aaron Prandstetter | 6-4,6-0 |
| ITF Austria F8 | 2016/08/27 12:00 | Lucas Miedler v Aaron Prandstetter | 6-2,6-0 |