| Open d'Austria - Qual. | 05/27 08:10 | - | Senne Houthoofd v Adi Pratama | L | 0-2 | |
| Internazionali di Slovenia - Qual. | 05/19 14:40 | - | Senne Houthoofd v Justin Hoh | L | 0-2 | |
| Internazionali di Slovenia - Qual. | 05/19 13:25 | - | Senne Houthoofd v Adam Konczol | W | 2-0 | |
| Internazionali di Slovenia - Qual. | 05/19 11:30 | - | Martin Cerkovnik v Senne Houthoofd | W | 0-2 | |
| Portuguese Int. Qual | 05/06 13:00 | 1 | Gustav Bjorkler v Senne Houthoofd | L | 2-0 | |
| Hellas International - Qual. | 05/02 12:00 | - | Senne Houthoofd v Tilemachos Voukoureslis | W | 2-0 |