| Cyprus Int. Qual | 2019/10/10 11:30 | Pissis, Orestis v Volpi, Nicolo | W | 2-1 |
| Cyprus Int. Qual | 2019/10/10 11:30 | Hailis, Christos v Nicolas A. Mueller | W | 0-2 |
| Bulgarian Int. | 2019/10/04 07:00 | Boichinov, Peyo v Nicolas A. Mueller | L | 2-1 |
| Belarus Int. | 2019/08/30 11:10 | Aram Mahmoud v Nicolas A. Mueller | L | 2-0 |
| Belarus Int. Qual | 2019/08/30 07:40 | Mateusz Danielak v Nicolas A. Mueller | W | 0-2 |
| Belarus Int. Qual | 2019/08/29 09:45 | Nicolas A. Mueller v Tsai, Andy | W | 2-1 |
| Belarus Int. Qual | 2019/08/29 08:30 | Meusburger, Kilian v Nicolas A. Mueller | W | 1-2 |
| Latvia Int. Qual | 2019/05/30 08:00 | Hunt, Ben v Nicolas A. Mueller | W | 1-2 |
| Hellas Int. Qual | 2019/05/02 12:30 | Nicolas A. Mueller v Sonderskov, Mattias | W | 2-0 |