| Austrian Open - kval. | 2022/05/26 10:00 | Michael Schausberger v Senne Houthoofd | L | 2-0 |
| Slovenia Int. - kvalifikácia | 2022/05/18 07:45 | Arturs Akmens v Senne Houthoofd | W | 0-2 |
| Luxembourg Open - kval. | 2022/05/05 13:00 | Valentin Singer v Senne Houthoofd | L | 2-0 |
| Luxembourg Open - kval. | 2022/05/05 07:40 | Carl Claesson v Senne Houthoofd | W | 1-2 |
| Dutch Int. - kvalifikácia | 2022/04/13 07:00 | Kilian Meusburger v Senne Houthoofd | L | 2-1 |
| Italian Int. - kvalifikácia | 2021/12/16 16:45 | Senne Houthoofd v Markus Barth | L | 0-2 |
| Italian Int. - kvalifikácia | 2021/12/16 10:00 | Senne Houthoofd v Robin Mesman | W | 2-0 |
| Slovinsko - Future Series - kval. | 2021/11/25 10:55 | Senne Houthoofd v Oliver Lee Nowak | L | 1-2 |