| Latvia Int. Qual | 2019/05/30 06:30 | Piotr Gajda v Jorgen Rosenlund | W | 2-1 |
| Hellas Open Qual | 2019/08/08 10:45 | Brian Holtschke v Chong King Lim | L | 0-2 |
| Hellas Open Qual | 2019/08/08 08:55 | Filip Spoljarec v Brian Holtschke | W | 0-2 |
| Hellas Open Qual | 2019/08/08 07:00 | Dimitar Nenchev v Brian Holtschke | W | 0-2 |
| Internazionali di Lituania - Qual. | 2019/06/07 06:00 | Brian Holtschke v Mateusz Dubowski | L | 0-2 |
| Internazionali di Lituania - Qual. | 2019/06/06 14:00 | Vilius Bagdanavicius v Brian Holtschke | W | 0-2 |
| Internazionali di Lituania - Qual. | 2019/06/06 08:20 | Brian Holtschke v Jack Joseph O'Brien | W | 2-0 |
| Open di Svizzera DF - Qual. | 2018/09/27 15:05 | Mads Christophersen v Brian Holtschke | L | 2-0 |