| Internacional de Osaka | 2019/04/07 02:00 | Takuma Obayashi v Koki Watanabe | W | 1-2 |
| Internacional de Osaka | 2019/04/06 04:30 | Koki Watanabe v Pengbo Ren | W | 2-0 |
| Internacional de Osaka | 2019/04/04 06:40 | Hongyang Weng v Koki Watanabe | W | 0-2 |
| Masters de Orleães | 2019/03/24 14:00 | Koki Watanabe v Thomas Rouxel | W | 2-1 |
| Masters de Orleães | 2019/03/23 14:30 | Koki Watanabe v Shifeng Li | W | 2-0 |
| Masters de Orleães | 2019/03/22 15:40 | Gatjra P F Cupu v Koki Watanabe | W | 0-2 |
| Masters de Orleães | 2019/03/21 17:40 | Parupalli Kashyap v Koki Watanabe | W | 0-2 |
| Masters de Orleães | 2019/03/20 10:30 | Gergely Krausz v Koki Watanabe | W | 1-2 |
| Open da Polónia | 2019/03/30 14:30 | Kunlavut Vitidsarn v Feixiang Sun | L | 2-1 |
| Open da Polónia | 2019/03/30 09:30 | Toma Junior Popov v Feixiang Sun | W | 1-2 |
| Open da Polónia | 2019/03/29 16:00 | Mithun Manjunath v Feixiang Sun | W | 0-2 |
| Open da Polónia | 2019/03/29 10:45 | Feixiang Sun v Lucas Corvee | W | 2-0 |
| Open da Polónia - Qualificação | 2019/03/28 09:00 | Feixiang Sun v Christo Popov | W | 2-0 |
| Masters de Orleães | 2019/03/20 15:30 | Feixiang Sun v Thomas Rouxel | L | 1-2 |
| Masters de Orleães | 2019/03/19 18:50 | Feixiang Sun v Lars Schaenzler | W | 2-0 |
| Open da Suíça - Qualificação - Duplas Femininas | 2019/02/19 11:35 | Feixiang Sun v Adel Hamek | W | 2-0 |