| Portuguese Int. Qual | 2021/05/06 10:30 | Carlos Sanchez-Alarcos v David Van Dalm | W | 0-2 |
| Orleans Masters - Kval | 2021/03/23 11:10 | Mads Thogersen v Brian Holtschke | L | 2-1 |
| SaarLorLux Open | 2020/10/28 09:00 | Brian Holtschke v Max Weisskirchen | L | 1-2 |
| Slovak Open - Kval | 2020/02/26 14:55 | Philipp Drexler v Brian Holtschke | L | 2-0 |
| Slovak Open - Kval | 2020/02/26 10:35 | Ilija Pavlovic v Brian Holtschke | W | 1-2 |
| Austrian Open - Kval | 2020/02/19 15:25 | Brian Holtschke v Georgii Karpov | L | 1-2 |
| Austrian Open - Kval | 2020/02/19 11:55 | Brian Holtschke v Lenny Sudarma | W | 2-0 |
| Estonian Int. - Kval | 2020/01/09 13:30 | Brian Holtschke v Duarte Nuno Anjo | L | 1-2 |
| Estonian Int. - Kval | 2020/01/09 09:00 | Carlos Piris v Brian Holtschke | W | 0-2 |