| Austrian Open - Qualif. | 2020/02/19 14:05 | Klindt, Philip Illum v Thoegersen, M. | L | 2-0 |
| Austrian Open - Qualif. | 2020/02/19 11:15 | Hernandez, Arturo v Thoegersen, M. | W | 0-2 |
| Open de Suède - Qualif. | 2020/01/16 09:00 | Thoegersen, M. v Su, L. Y. | L | 0-2 |
| Norwegian Int. | 2019/11/08 16:30 | Thoegersen, M. v Lin, Yu Hsien | L | 0-2 |
| Norwegian Int. | 2019/11/08 11:20 | Thoegersen, M. v Gergo Pytel | W | 2-0 |
| Hungarian Int. | 2019/11/01 09:40 | Thoegersen, M. v Messerschmidt, Rasmus | L | 1-2 |
| Hungarian Int. | 2019/10/31 14:40 | Thoegersen, M. v Mendrek, Adam | W | 2-1 |
| Hungarian Int. Qual | 2019/10/30 16:40 | Thoegersen, M. v Rikheim, Vegard | W | 2-0 |
| SaarLorLux Open 2019, MS | 2020/10/28 09:00 | Brian Holtschke v Max Weisskirchen | L | 1-2 |
| Open de Slovaquie - Qualif. | 2020/02/26 14:55 | Drexler, Philipp v Brian Holtschke | L | 2-0 |
| Open de Slovaquie - Qualif. | 2020/02/26 10:35 | Pavlovic, I. v Brian Holtschke | W | 1-2 |
| Austrian Open - Qualif. | 2020/02/19 15:25 | Brian Holtschke v Karpov, Georgii | L | 1-2 |
| Austrian Open - Qualif. | 2020/02/19 11:55 | Brian Holtschke v Sudarma, Lenny | W | 2-0 |
| Estonie Int. - Qualif. | 2020/01/09 13:30 | Brian Holtschke v Anjo, Duarte Nuno | L | 1-2 |
| Estonie Int. - Qualif. | 2020/01/09 09:00 | Piris, Carlos v Brian Holtschke | W | 0-2 |
| Italian Int. Qual | 2019/12/12 08:50 | Kral, Ondrej v Brian Holtschke | L | 2-0 |