| Internazionali di Slovenia - Qual. | 2021/05/19 13:25 | Senne Houthoofd v Adam Konczol | W | 2-0 |
| Internazionali di Slovenia - Qual. | 2021/05/19 11:30 | Martin Cerkovnik v Senne Houthoofd | W | 0-2 |
| Portuguese Int. Qual | 2021/05/06 13:00 | Gustav Bjorkler v Senne Houthoofd | L | 2-0 |
| Hellas International - Qual. | 2019/05/02 12:00 | Senne Houthoofd v Tilemachos Voukoureslis | W | 2-0 |
| Internazionali di Slovenia - Qual. | 2021/05/19 11:40 | Gregor Alic v Justin Hoh | W | 0-2 |