| Open de Suisse - Doubles Mixtes - Qualif. | 03/22 13:00 | - | Pistorius/Moszczynski v Birker P / Hochmeir K | L | 2-1 | |
| Open de Slovaquie - Doubles Mixtes | 03/04 08:40 | - | Birker P / Hochmeir K v Trecki/Swierczynska | L | 1-2 | |
| Open de Slovaquie - Doubles Mixtes | 03/03 10:00 | - | Birker P / Hochmeir K v Budzel/Tomalova | W | 2-1 | |
| World Championships XD | 12/12 08:55 | 6 | Mikkelsen/Soby v Birker P / Hochmeir K | L | 2-0 | |
| Welsh Int. XD | 12/03 10:00 | - | Lindeman/Wu v Birker P / Hochmeir K | L | 2-0 | |
| Welsh Int. XD | 12/02 13:00 | - | Oates S / Whiteman A v Birker P / Hochmeir K | W | 0-2 | |
| Scottish Open XD | 11/25 18:10 | - | Dunn A / Torrance C v Birker P / Hochmeir K | L | 2-0 | |
| Belgian Int. XD | 10/28 07:20 | 5 | Yuan/Lee v Birker P / Hochmeir K | L | 2-0 | |
| Czech Open XD | 10/22 15:00 | - | Birker P / Hochmeir K v Zinchenko/Kozyreva | L | 0-2 | |
| Dutch Open XD | 10/16 09:00 | - | Tabeling/Piek v Birker P / Hochmeir K | L | 2-0 | |
| Dutch Open XD | 10/15 17:55 | - | Montoya Navarro L A / Villalobos Vazquez V K v Birker P / Hochmeir K | - | Retired | |
| Dutch Open XD | 10/14 08:30 | - | Birker P / Hochmeir K v Gnedt R / Polc U | W | 2-0 | |
| Polish Int. XD | 09/25 08:00 | - | Wassink/Tirtosentono v Birker P / Hochmeir K | L | 2-0 | |
| Ukraine Int. XD | 09/09 07:20 | - | Yap/Siow v Birker P / Hochmeir K | L | 2-0 | |
| Ukraine Int. XD | 09/08 08:00 | - | Yakovlev/Tkach v Birker P / Hochmeir K | W | 1-2 | |
| Spain Int XD | 06/19 07:00 | - | Hemming C / Pugh J v Birker P / Hochmeir K | L | 2-0 | |
| Spain Int XD | 06/18 13:00 | - | Mueller/Stern v Birker P / Hochmeir K | W | 1-2 | |
| Spain Int XD | 06/18 07:45 | - | Leal/Lopez v Birker P / Hochmeir K | W | 0-2 | |
| Austrian Open - Doubles Mixtes | 05/28 11:00 | - | Choong/Toh v Birker P / Hochmeir K | L | 2-1 | |
| Slovenia Int. XD | 05/21 10:00 | 3 | Birker P / Hochmeir K v Knudsen/Norrman | L | 0-2 | |
| Slovenia Int. XD | 05/21 08:00 | 4 | Birker P / Hochmeir K v Doder/Loncar | W | 2-1 | |
| Slovenia Int. XD | 05/20 08:00 | - | Birker P / Hochmeir K v Wassink/Laurens | W | 2-0 | |
| Portuguese Int. XD | 05/07 14:00 | 5 | Birker P / Hochmeir K v Stoffersen/Fuglsang | L | 0-2 | |
| Championnat d'Europe - Doubles Mixtes | 04/28 08:00 | 1 | Sonmez / Erdem v Birker P / Hochmeir K | L | 2-1 | |
| Orléans Masters - Doubles Mixtes | 03/25 16:45 | 4 | van Nieuwkerke J / Jaques L v Birker P / Hochmeir K | L | 2-0 | |
| Euro Mixed Team Champs XD | 12/10 17:00 | - | Kral/Svabikova v Birker P / Hochmeir K | W | 0-2 | |
| SaarLorLux Open 2019, XD | 10/29 16:30 | 4 | Van Der Aar/Seinen v Birker P / Hochmeir K | L | 2-1 | |
| SaarLorLux Open 2019, XD | 10/28 11:45 | 7 | Birker P / Hochmeir K v Dunn A / Torrance C | W | 2-1 | |
| Estonie Int. - Doubles Mixtes | 01/10 07:50 | - | Birker P / Hochmeir K v Nishikawa Y / Ozaki S | L | 0-2 | |
| Slovenia Future Series XD | 11/22 16:55 | - | Ivanic M / Galenic K v Birker P / Hochmeir K | L | 2-1 |