| Spain Int XD | 2021/06/17 11:30 | Rose/Aimie Whiteman v Leal/Lopez | W | 0-2 |
| Austrian Open - Doubles Mixtes | 2021/05/28 11:00 | Choong/Toh v Birker P / Hochmeir K | L | 2-1 |
| Slovenia Int. XD | 2021/05/21 10:00 | Birker P / Hochmeir K v Knudsen/Norrman | L | 0-2 |
| Slovenia Int. XD | 2021/05/21 08:00 | Birker P / Hochmeir K v Doder/Loncar | W | 2-1 |
| Slovenia Int. XD | 2021/05/20 08:00 | Birker P / Hochmeir K v Wassink/Laurens | W | 2-0 |
| Portuguese Int. XD | 2021/05/07 14:00 | Birker P / Hochmeir K v Stoffersen/Fuglsang | L | 0-2 |
| Championnat d'Europe - Doubles Mixtes | 2021/04/28 08:00 | Sonmez / Erdem v Birker P / Hochmeir K | L | 2-1 |
| Orléans Masters - Doubles Mixtes | 2021/03/25 16:45 | van Nieuwkerke J / Jaques L v Birker P / Hochmeir K | L | 2-0 |
| Euro Mixed Team Champs XD | 2020/12/10 17:00 | Kral/Svabikova v Birker P / Hochmeir K | W | 0-2 |