| Austrian Open Qual | 2021/05/27 08:50 | Erik Seiwald v Brian Holtschke | W | 0-2 |
| Slovenia Int. | 2021/05/20 11:20 | Miha Ivanic v Brian Holtschke | W | 1-2 |
| Slovenia Int. | 2021/05/20 11:20 | Brian Holtschke v Wolfgang Gnedt | L | 0-2 |
| Portuguese Int. Qual | 2021/05/06 17:00 | Brian Holtschke v Magnus Johannesen | L | 0-2 |
| Portuguese Int. Qual | 2021/05/06 13:30 | David Van Dalm v Brian Holtschke | W | 0-2 |
| Orleans Masters Qual | 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 Qual | 2020/02/26 14:55 | Philipp Drexler v Brian Holtschke | L | 2-0 |