| Open de Slovénie - Qualif. | 05/16 08:20 | - | B.M. Rahul Bharadwaj v Senne Houthoofd | L | 2-0 | |
| Open de Slovénie - Qualif. | 05/15 12:40 | - | Zack Bobrowski v Senne Houthoofd | W | 1-2 | |
| Open de Slovénie - Qualif. | 05/15 09:45 | - | Senne Houthoofd v Dragoslav Petrovic | W | 2-1 | |
| Open du Luxembourg - Qualif. | 05/02 12:20 | - | Senne Houthoofd v Kai Hern Huan | L | 0-2 | |
| Dutch Int. - Qualif. | 03/14 13:00 | - | Noah Haase v Senne Houthoofd | L | 2-0 | |
| Open de Suède - Qualif. | 01/18 15:35 | - | Senne Houthoofd v Kai Hern Huan | L | 0-2 | |
| Open de Suède - Qualif. | 01/18 10:55 | - | Senne Houthoofd v Ragnar Sepp | W | 2-0 | |
| Irish Open Qual | 11/15 14:15 | - | Senne Houthoofd v Mathias Solgaard | L | 0-2 | |
| Irish Open Qual | 11/15 09:35 | - | Eid Ali Al Maliki v Senne Houthoofd | W | 0-2 | |
| Hungarian Int. Qual | 11/02 08:00 | - | Senne Houthoofd v Jan Janostik | L | 1-2 | |
| Hungarian Int. Qual | 11/01 16:45 | - | Senne Houthoofd v Jamie Pearcy | W | 2-0 | |
| Dutch Open (GP) 2017, Qualification | 10/11 12:20 | - | Senne Houthoofd v Veenstra, Niels | L | 1-2 |