| Polish Int. - Kval | 2019/09/19 12:50 | Danylo Bosniuk v Peyo Boichinov | L | 2-0 |
| Polish Int. - Kval | 2019/09/19 09:20 | Richard Kuhl v Peyo Boichinov | W | 0-2 |
| Bulgarian Open - Kval | 2019/08/12 14:10 | Martin Bundgaard v Peyo Boichinov | L | 2-1 |
| Bulgarian Open - Kval | 2019/08/12 07:10 | Peyo Boichinov v Ludvig Petre Olsson | W | 2-1 |
| Swiss Open - Damdubbel - Kval | 2019/03/07 10:00 | B.R. Sankeerth v Peyo Boichinov | L | 2-0 |
| Swiss Open - Damdubbel - Kval | 2019/02/20 09:00 | Peyo Boichinov v Saketh Upadhya | L | 1-2 |
| Swiss Open - Damdubbel - Kval | 2018/12/13 12:30 | Peyo Boichinov v Danylo Bosniuk | L | 1-2 |
| Giraldilla Int. - Mixed dubbel | 2018/11/15 10:00 | Leo Rossi v Peyo Boichinov | 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 Andy Tsai | W | 2-1 |
| Belarus Int. Qual | 2019/08/29 08:30 | Kilian Meusburger v Nicolas A. Mueller | W | 1-2 |
| Latvia Int. Qual | 2019/05/30 08:00 | Ben Hunt v Nicolas A. Mueller | W | 1-2 |
| Hellas Int. - Kval | 2019/05/02 12:30 | Nicolas A. Mueller v Mattias Sonderskov | W | 2-0 |