| Open d'Austria - Qual. | 2021/05/27 10:35 | Lenny Sudarma v Kai Niederhuber | W | 0-2 |
| Internazionali di Slovenia - Qual. | 2021/05/19 14:00 | Amaury Lievre v Kai Niederhuber | L | 2-0 |
| Open d'Austria - Qual. | 2020/02/19 11:55 | Kai Niederhuber v Georgii Karpov | L | 1-2 |
| Open d'Austria - Qual. | 2021/05/27 10:50 | Michael Schausberger v Philip I Klindt | W | 0-2 |
| Portuguese Int. Qual | 2021/05/06 09:00 | Johnnie Torjussen v Philip I Klindt | L | 2-1 |
| Masters d'Orleans | 2021/03/25 16:45 | Toma Junior Popov v Philip I Klindt | L | 2-0 |
| Masters d'Orleans | 2021/03/24 17:45 | Alex Lane v Philip I Klindt | W | 0-2 |
| Masters d'Orleans | 2021/03/23 19:15 | Lino Munoz v Philip I Klindt | W | 1-2 |
| Masters d'Orleans - Qual. | 2021/03/23 13:10 | Shreyansh Jaiswal v Philip I Klindt | W | 1-2 |
| Masters d'Orleans - Qual. | 2021/03/23 09:50 | Philip I Klindt v Cesar Adonis Brito Gonzalez | W | 2-0 |
| Open d'Austria | 2020/02/21 11:00 | Vladimir Malkov v Philip I Klindt | L | 2-0 |