| Bulgarian International | 2021/10/08 08:55 | Nicolas A. Mueller v Brian Holtschke | W | 0-2 |
| Ukraine International | 2021/09/08 08:40 | Mithun Manjunath v Brian Holtschke | L | 2-0 |
| Hellas International | 2021/09/03 12:25 | Brian Holtschke v Wyman Goh | L | 0-2 |
| Denmark Masters - Kvalifikation | 2021/08/05 07:00 | Gergo Pytel v Brian Holtschke | L | 2-0 |
| Spain International - Kvalifikation | 2021/06/17 07:40 | Misbun Ramdan Mohmed Misbun v Brian Holtschke | L | 2-0 |
| Spain International - Kvalifikation | 2021/06/16 10:40 | Martin Ouazzen v Brian Holtschke | W | 0-2 |
| Austrian Open - Kvalifikation | 2021/05/28 07:30 | Brian Holtschke v Alex Lanier | L | 0-2 |
| Austrian Open - Kvalifikation | 2021/05/27 14:55 | Brian Holtschke v Gustav Andree | W | 2-0 |
| Bulgarian International | 2021/10/08 08:55 | Soren Hald v Daniel Nikolov | W | 0-2 |
| Hellas International | 2021/09/03 10:05 | Gergo Pytel v Daniel Nikolov | W | 0-2 |
| Austrian Open | 2021/05/28 13:40 | Rasmus Messerschmidt v Daniel Nikolov | L | 2-0 |
| Slovenia Int. | 2021/05/22 09:00 | Daniel Nikolov v Arnaud Merkle | L | 1-2 |
| Slovenia Int. | 2021/05/21 12:40 | Daniel Nikolov v Rasmus Messerschmidt | W | 2-1 |
| Slovenia Int. | 2021/05/21 08:40 | Viktor Ording Kauffman v Daniel Nikolov | W | 1-2 |
| Slovenia Int. | 2021/05/20 11:20 | Daniel Nikolov v Ivan Pejoski | W | 2-0 |
| Slovenia Int. | 2021/05/20 11:00 | Daniel Nikolov v Matthias Kicklitz | W | 2-0 |