| Open de Slovénie - Doubles Mixtes | 2023/05/20 07:20 | Kapoor/Reddy v Birker P / Hochmeir K | L | 2-0 |
| Open de Slovénie - Doubles Mixtes | 2023/05/19 09:20 | Birker P / Hochmeir K v Bailetti G / Corsini M | W | 2-1 |
| Open d'Allemagne - Doubles Mixtes - Qualif. | 2023/03/07 10:05 | Geiss B / Moszczynski E v Birker P / Hochmeir K | L | 2-0 |
| Uganda Int. XD | 2023/02/24 15:30 | Birker P / Hochmeir K v Kristensen/Hong | W | 2-0 |
| Irish Open XD | 2022/11/17 09:10 | Toft/Graversen v Birker P / Hochmeir K | L | 2-0 |
| Hylo Open XD | 2022/11/02 08:10 | Birker P / Hochmeir K v Delrue/Gicquel | L | 0-2 |
| Czech Open XD | 2022/10/21 15:00 | Chiu/Lin v Birker P / Hochmeir K | L | 2-1 |
| Croatian Int. XD | 2022/09/30 15:05 | Birker P / Hochmeir K v Chen X / Zhou C | L | 0-2 |