Stadium: Court Annexe Round: 26 Ground: Hardcourt indoor
| ITF M25 Plaisir - MP | 2020/09/16 16:15 | Clezar/Sakamoto v Sijsling/Smits | 6-3,7-6 |
| ITF M25 Vogau – MP | 2020/08/18 14:25 | Guinard/Haerteis v Sijsling/Smits | 6-2,6-3 |
| Challenger Portoroz MD | 2019/08/15 17:50 | Sijsling/Smits v Miedler/Weissborn | 2-6,4-6 |
| Challenger Portoroz MD | 2019/08/14 17:30 | Sijsling/Smits v Golubev/Vavassori | 6-7,7-5,10-7 |