| Brazil Int. | 2019/05/02 12:00 | Kai Schaefer v Krausz, Gergely | W | 2-0 |
| Orléans Masters | 2019/03/21 17:00 | Kai Schaefer v Mark Caljouw | L | 0-2 |
| Orléans Masters | 2019/03/20 08:40 | Kai Schaefer v Soo, Teck Zhi | W | 2-0 |
| Orléans Masters | 2019/03/19 18:00 | Parsons, Sam v Kai Schaefer | W | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/03/12 11:00 | Kai Schaefer v Burestedt, Felix | L | 1-2 |
| Masters d'Espagne | 2019/02/20 15:20 | Pablo Abian v Kai Schaefer | L | 2-0 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/02/19 13:55 | Kim Bruun v Kai Schaefer | W | 1-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2019/02/19 11:00 | Kai Schaefer v Amaya, Bernat | W | 2-0 |
| Denmark Int. | 2019/05/10 08:30 | Lakshya Sen v Mads Christophersen | W | 2-0 |
| New Zealand Open 2019, MS | 2019/05/01 04:00 | Tzu Wei Wang v Lakshya Sen | L | 2-1 |
| New Zealand Open Qual | 2019/04/30 00:28 | Lakshya Sen v Soo, Teck Zhi | W | 2-0 |
| New Zealand Open Qual | 2019/04/29 22:00 | Jayaram, Ajay v Lakshya Sen | W | 0-2 |
| Open de Pologne | 2019/03/31 08:30 | Lakshya Sen v Kunlavut Vitidsarn | L | 0-2 |
| Open de Pologne | 2019/03/30 14:00 | Ygor Coelho v Lakshya Sen | W | 1-2 |
| Open de Pologne | 2019/03/29 18:00 | Li, S. F. v Lakshya Sen | W | 0-2 |
| Open de Pologne | 2019/03/29 09:30 | Lucas Claerbout v Lakshya Sen | W | 1-2 |