| Spanish International | 2019/06/14 08:00 | Kai Schaefer v Toby Penty | L | 0-2 |
| Indonesia Masters - Gemischtes Doppel | 2017/04/25 13:15 | Toby Penty v Kai Schaefer | L | 2-0 |
| Giraldilla International - Gemischtes Doppel | 2017/01/14 08:43 | Toby Penty v Kai Schaefer | L | 2-1 |
| Belgian International | 2019/09/12 13:30 | Kai Schaefer v Felix Burestedt | W | 2-0 |
| Charkiw International | 2019/09/06 07:30 | Eetu Heino v Kai Schaefer | L | 2-0 |
| Weltmeisterschaft | 2019/08/19 08:40 | Guangzu Lu v Kai Schaefer | L | 2-0 |
| US Open | 2019/07/10 23:30 | Kai Schaefer v Xiaodong Sheng | L | 0-2 |
| Canada Open | 2019/07/03 20:20 | Kai Schaefer v Lucas Claerbout | L | 0-2 |
| Spanish International | 2019/06/14 08:00 | Kai Schaefer v Toby Penty | L | 0-2 |
| Spanish International | 2019/06/13 12:45 | Luis Enrique Penalver v Kai Schaefer | W | 0-2 |
| Azerbaijan International | 2019/06/08 14:00 | Rasmus Gemke v Kai Schaefer | L | 2-1 |
| Belgian International | 2019/09/12 12:50 | Jeppe Bruun Christensen v Toby Penty | W | 1-2 |
| Charkiw International | 2019/09/07 13:40 | Toby Penty v Ade Resky Dwicahyo | L | 0-2 |
| Charkiw International | 2019/09/07 07:40 | Joran Kweekel v Toby Penty | W | 0-2 |
| Charkiw International | 2019/09/06 16:40 | Artem Pochtarov v Toby Penty | W | 1-2 |
| Charkiw International | 2019/09/06 09:10 | Gergo Pytel v Toby Penty | W | 0-2 |
| Weltmeisterschaft | 2019/08/20 17:00 | Anthony Sinisuka Ginting v Toby Penty | L | 2-0 |
| Weltmeisterschaft | 2019/08/19 14:30 | Raul Must v Toby Penty | W | 1-2 |
| US Open | 2019/07/10 23:30 | Sourabh Verma v Toby Penty | L | 2-1 |