Stadium: Court 4 Round: 44 Ground: Clay
| ITF Switzerland F4 Qual | 2017/08/19 10:00 | Tabrizi, Keivon v Douglas, Jake | 3-6,4-6 |
| ITF Switzerland F3 Qual | 2017/08/15 09:00 | Lazov, Alexander v Douglas, Jake | 6-2,6-4 |
| ITF Switzerland F3 Qual | 2017/08/13 09:35 | Ceppellini, Alessandro v Douglas, Jake | 6-3,1-6,1-6 |
| ITF Switzerland F3 Qual | 2017/08/12 09:00 | Douglas, Jake v Mischa Lanz | 6-2,6-1 |
| ITF Switzerland F3 Qual | 2017/08/12 07:00 | Douglas, Jake v Guichoud, Maxime | 6-1,6-2 |
| ITF Canada F4 | 2017/07/05 16:30 | Douglas, Jake v Halebian, Alexios | 3-6,4-6 |
| ITF USA F1 Qual | 2016/12/31 16:00 | Douglas, Jake v Lucas Renard | 6-7,4-6 |
| ITF USA F37 | 2016/11/11 20:30 | Douglas, Jake v Rakic, Strahinja | 6-1,2-6,5-7 |
| ITF Switzerland F4 Qual | 2017/08/19 10:00 | Nicolas Parizzia v Hawken, Sebastian | 3-6,6-2,6-3 |
| ITF Switzerland F4 Qual | 2017/08/19 07:00 | Nicolas Parizzia v Hofer, Marc | 6-2,6-2 |
| ITF Switzerland F3 Qual | 2017/08/12 09:00 | Marco Miceli v Nicolas Parizzia | 6-2,6-3 |
| ITF Switzerland F3 Qual | 2017/08/12 07:00 | Currlin, Gabriel v Nicolas Parizzia | 2-6,3-6 |
| ITF Austria F6 | 2017/08/07 08:30 | Nicolas Parizzia v Xiviller, Nicolas | 1-6,0-6 |
| ITF Austria F6 | 2017/08/06 12:20 | Bellutti, Manuel v Nicolas Parizzia | 6-7,6-2,2-6 |
| ITF Austria F6 | 2017/08/05 08:00 | Lorenzo Bocchi v Nicolas Parizzia | 6-3,6-7,1-6 |
| ITF Austria F6 | 2017/08/05 07:00 | Nicolas Parizzia v D'Annunzio, Felipe | 6-4,6-1 |