| Czech Open - Calificari | 2019/09/26 11:05 | Jedrzej Nowak v Jacob Hougaard | W | 0-2 |
| Czech Open - Calificari | 2019/09/26 11:35 | Tadeas Brazda v Markus Barth | W | 0-2 |
| Lithuanian International - Calificari | 2019/06/06 10:40 | Jonas Schwarz v Markus Barth | W | 1-2 |
| Latvia Int. Qual | 2019/05/31 07:30 | Markus Barth v Axel Henrik Parkhøi | L | 1-2 |
| Latvia Int. Qual | 2019/05/30 14:00 | Markus Barth v Jack Joseph O'Brien | W | 2-0 |
| Swiss Open - Dublu Feminin - Calificari | 2019/02/27 08:20 | Andrija Doder v Markus Barth | W | 0-2 |