| Internazionali d'Estonia - Qual. | 2020/01/09 13:30 | Brian Holtschke v Duarte Nuno Anjo | L | 1-2 |
| Internazionali d'Estonia - Qual. | 2020/01/09 09:00 | Carlos Piris v Brian Holtschke | W | 0-2 |
| Internazionali d'Italia - Qual. | 2019/12/12 08:50 | Ondrej Kral v Brian Holtschke | L | 2-0 |
| Slovenia - Future Series | 2019/11/22 09:35 | Brian Holtschke v Alvaro Vazquez | W | 2-1 |
| Slovenia - Future Series - Qual. | 2019/11/21 19:15 | Brian Holtschke v Christoffer Elbrond | W | 2-1 |
| Slovenia - Future Series - Qual. | 2019/11/21 16:35 | Jaka Ivancic v Brian Holtschke | W | 1-2 |
| Slovenia - Future Series - Qual. | 2019/11/21 10:10 | Marc Cardona v Brian Holtschke | W | 0-2 |
| SaarLorLux Open | 2019/10/30 18:00 | Brian Holtschke v Ygor Coelho | L | 1-2 |
| Slovenia - Future Series - Qual. | 2019/11/21 10:45 | Lenny Sudarma v Harry Huang | L | 0-2 |