| Osaka Int. | 2019/04/04 06:40 | Hongyang Weng v Koki Watanabe | W | 0-2 |
| Orleans Masters | 2019/03/24 14:00 | Koki Watanabe v Thomas Rouxel | W | 2-1 |
| Orleans Masters | 2019/03/23 14:30 | Koki Watanabe v Shifeng Li | W | 2-0 |
| Orleans Masters | 2019/03/22 15:40 | Gatjra P F Cupu v Koki Watanabe | W | 0-2 |
| Orleans Masters | 2019/03/21 17:40 | Parupalli Kashyap v Koki Watanabe | W | 0-2 |
| Orleans Masters | 2019/03/20 10:30 | Gergely Krausz v Koki Watanabe | W | 1-2 |
| Orleans Masters | 2019/03/19 18:10 | Adrian Dziolko v Koki Watanabe | W | 0-2 |
| Swiss Open WD Qual | 2019/03/12 14:20 | Koki Watanabe v Kalle Koljonen | L | 0-2 |
| Osaka Int. | 2019/04/04 06:40 | Takuma Kawamoto v Pengbo Ren | W | 0-2 |
| Osaka Int. | 2019/04/04 01:20 | Pengbo Ren v Minoru Koga | W | 2-0 |
| Polish Open Qual | 2019/03/28 09:30 | Pengbo Ren v Lars Schaenzler | - | home |
| Orleans Masters | 2019/03/20 14:10 | Pengbo Ren v Shifeng Li | L | 1-2 |
| Spain Masters | 2019/02/22 16:00 | Pengbo Ren v Pablo Abian | W | 2-1 |
| Spain Masters | 2019/02/21 12:20 | Sourabh Verma v Pengbo Ren | W | 0-2 |
| Spain Masters | 2019/02/20 14:40 | Pengbo Ren v Ygor Coelho | W | 2-0 |
| Swiss Open WD Qual | 2019/01/08 02:00 | Pengbo Ren v Pannawit Thongnuam | L | 0-2 |