Round: 26 Ground: Hardcourt indoor
| ITF France F22 | 2015/10/13 11:15 | Salman, Omar v Niels Lootsma | 6-2,7-5 |
| ITF France F21 | 2015/10/06 17:55 | Niels Lootsma v Eysseric, Jonathan | 6-4,4-6,3-6 |
| ITF France F21 Qual | 2015/10/04 14:30 | Niels Lootsma v Meehan, Harry David | 6-4,6-3 |
| ITF Belgium F13 | 2015/09/02 13:45 | Niels Lootsma v Verboven, Laurens | 2-6,2-6 |
| ITF Netherlands F6 | 2015/08/28 08:00 | Barry, Sam v Niels Lootsma | 4-6,6-2,7-6 |
| ITF Netherlands F6 | 2015/08/25 11:05 | Wunner, Matthias v Niels Lootsma | 3-6,4-6 |
| ITF Netherlands F5 | 2015/08/19 11:25 | Huta Galung, Jesse v Niels Lootsma | 6-2,6-3 |
| ITF Latvia F1 | 2015/08/05 07:00 | Niels Lootsma v Slobodchikov, Ronald | 1-6,4-6 |
| ITF Germany F17 | 2015/10/20 09:00 | Goncalo Oliveira v Sieber, Marc | 3-6,4-6 |
| ITF Germany F15 | 2015/10/08 13:30 | Sieber, Marc v Boehler, Dominik | 5-7,7-5,2-6 |
| ITF Germany F14 | 2015/10/04 11:00 | Maximilian Marterer v Sieber, Marc | 6-2,6-2 |
| ITF Germany F14 | 2015/10/03 11:00 | Sieber, Marc v Tom Schonenberg | 4-6,6-3,6-3 |
| ITF Germany F14 | 2015/10/02 11:00 | Sieber, Marc v Podzus, Martins | 6-4,6-4 |
| ITF Germany F14 | 2015/10/01 13:20 | Sieber, Marc v Kossler, Bernd | 6-1,6-1 |
| ITF Germany F14 | 2015/09/30 10:10 | Sieber, Marc v Nejedly, Pavel | 6-3,6-4 |
| ITF Germany F13 | 2015/08/29 11:00 | Sieber, Marc v Daniel Masur | 3-6,2-6 |