| Denmark Masters Qual | 2021/08/05 07:00 | Gergo Pytel v Brian Holtschke | L | 2-0 |
| Spain Int Qual | 2021/06/17 07:40 | Misbun Ramdan Mohmed Misbun v Brian Holtschke | L | 2-0 |
| Spain Int Qual | 2021/06/16 10:40 | Martin Ouazzen v Brian Holtschke | W | 0-2 |
| Austrian Open Qual | 2021/05/28 07:30 | Brian Holtschke v Alex Lanier | L | 0-2 |
| Austrian Open Qual | 2021/05/27 14:55 | Brian Holtschke v Gustav Andree | W | 2-0 |
| 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 |
| Hellas Int. | 2021/09/03 08:55 | Valentin Singer v Wyman Goh | W | 0-2 |
| Hellas Int. Qual | 2021/09/01 07:00 | Dimitri Jacquart v Wyman Goh | W | 0-2 |
| Latvia Int. Qual | 2021/08/26 12:30 | Mads Juel Moller v Wyman Goh | L | 2-0 |