| Bulgarian Int Qual | 2021/10/07 13:35 | Boichinov, Peyo v van Gysel, Leo | L | 1-2 |
| Austrian Open - Qualif. | 2020/02/19 10:45 | Wolfgang Gnedt v Boichinov, Peyo | L | 2-1 |
| Cyprus Int. | 2019/10/11 09:55 | Brian Holtschke v Boichinov, Peyo | L | 2-1 |
| Bulgarian Int. | 2019/10/05 07:30 | Boichinov, Peyo v Joonas Korhonen | L | 1-2 |
| Bulgarian Int. | 2019/10/04 11:30 | Milic, Luka v Boichinov, Peyo | W | 0-2 |
| Bulgarian Int. | 2019/10/04 07:00 | Boichinov, Peyo v Nicolas A. Mueller | W | 2-1 |
| Polish Int. Qual | 2019/09/19 12:50 | Danylo Bosniuk v Boichinov, Peyo | L | 2-0 |
| Polish Int. Qual | 2019/09/19 09:20 | Richard Kuhl v Boichinov, Peyo | W | 0-2 |
| Bulgarian Int | 2021/10/08 12:00 | Dmitriy Panarin v Koenig, Joel | L | 2-0 |
| Bulgarian Int | 2021/10/08 07:20 | Koenig, Joel v Shmundyak, Oleksandar | W | 2-1 |
| Latvia Int. | 2021/08/27 11:20 | Koenig, Joel v Joonas Korhonen | L | 0-2 |
| Denmark Masters Qual | 2021/08/05 07:00 | Koenig, Joel v Soren Hald | L | 0-2 |
| Lithuanian Int. | 2021/06/11 10:20 | Koenig, Joel v Thomas Fourcade | L | 0-2 |
| Austrian Open | 2021/05/28 14:55 | Koenig, Joel v Jan Louda | L | 0-2 |
| Slovenia Int. | 2021/05/20 08:40 | Ludik, Milan v Koenig, Joel | L | 2-0 |
| Portuguese Int. Qual | 2021/05/06 12:40 | Magnus Johannesen v Koenig, Joel | L | 2-0 |