| Croatian Int. Qual | 2019/04/18 11:40 | Schwarz, Jonas v Patel, Rahul | L | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/11/14 11:30 | Ethan Rose v Schwarz, Jonas | L | 2-0 |
| Latvia Int. Qual | 2019/05/31 07:30 | Markus Barth v Parkhoei, Axel Henrik | L | 1-2 |
| Latvia Int. Qual | 2019/05/30 14:00 | Markus Barth v O Brien, Jack Joseph | W | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/02/27 08:20 | Doder, Andrija v Markus Barth | W | 0-2 |