Round: 62 Ground: Hardcourt indoor
| ITF Belgium F13 Qual | 2015/08/29 14:30 | Lennert Van Der Linden v Nathaniel Seyler | 6-3,6-0 |
| ITF Germany F12 | 2015/08/16 08:00 | Gil Uwe Grund v Nathaniel Seyler | 6-2,6-3 |
| ITF France F15 Qual | 2015/07/19 13:20 | Hugo Schott v Nathaniel Seyler | 6-3,6-4 |
| ITF France F15 Qual | 2015/07/18 13:20 | Nathaniel Seyler v Julien Evrard | 6-2,7-5 |
| ITF France F14 Qual | 2015/07/11 13:50 | Nathaniel Seyler v Lucas Bouquet | 6-7,4-6 |
| ITF France F13 Qual | 2015/07/04 08:55 | Nathaniel Seyler v Constantin Bittoun Kouzmine | 1-6,6-7 |
| ITF Germany F5 | 2015/06/28 08:00 | Nils Brinkmann v Nathaniel Seyler | 6-4,0-6,6-4 |
| ITF Germany F2 Qual | 2015/01/11 08:00 | Nathaniel Seyler v Elmar Ejupovic | 5-7,3-6 |