Round: 62 Ground: Clay
| ITF Spain F7 | 2017/03/11 10:30 | Aaron Cortes Alcaraz v Mikel Aranzabal | 6-3,6-1 |
| ITF Spain F28 | 2016/08/27 07:30 | Raul Brancaccio v Mikel Aranzabal | 6-0,6-2 |
| ITF Spain F21 Qual | 2017/07/08 11:00 | Pol Martin Tiffon v Dietrich Dernowski | 6-2,4-6,5-7 |
| ITF Romania F5 | 2017/06/25 11:00 | David Pata v Dietrich Dernowski | 7-5,7-6 |
| ITF Romania F4 | 2017/06/18 09:00 | Calin Manda v Dietrich Dernowski | 6-2,6-1 |
| ITF Spain F16 Qual | 2017/06/03 14:30 | Jose Juarez Caro v Dietrich Dernowski | 7-6,6-4 |
| ITF Tunisia F20 | 2017/05/24 11:25 | Filippo Baldi v Dietrich Dernowski | 6-0,6-0 |
| ITF Tunisia F19 | 2017/05/17 10:40 | Dietrich Dernowski v Christopher Heyman | 1-6,2-6 |
| ITF Spain F11 | 2017/04/23 13:00 | Dietrich Dernowski v Jaime Fermosell | 3-6,6-3,3-6 |
| ITF Spain F10 | 2017/04/05 11:30 | Attila Balazs v Dietrich Dernowski | 6-1,6-2 |