| Masters d'Orleans | 2019/03/21 12:50 | Gatjra P F Cupu v Mithun Manjunath | W | 2-0 |
| Masters d'Orleans | 2019/03/20 17:30 | Gatjra P F Cupu v Harsheel Dani | W | 2-1 |
| Open di Svizzera DF - Qual. | 2018/09/18 11:40 | Gatjra P F Cupu v Chun-Yi Lin | L | 1-2 |
| Giraldilla International DX | 2018/09/04 13:30 | Gatjra P F Cupu v R. M. V. Gurusaidutt | L | 1-2 |
| Giraldilla International DX | 2018/08/08 07:50 | Gatjra P F Cupu v Ajay Jayaram | L | 0-2 |
| Open di Svizzera DF - Qual. | 2018/08/07 09:07 | Simon Wang v Gatjra P F Cupu | W | 0-2 |
| Open di Svizzera DF - Qual. | 2018/08/07 03:20 | Chih Chieh Yang v Gatjra P F Cupu | W | 0-2 |
| Giraldilla International DX | 2018/03/22 11:00 | June Wei Cheam v Gatjra P F Cupu | W | 0-2 |
| Masters d'Orleans | 2019/03/21 17:40 | Parupalli Kashyap v Koki Watanabe | W | 0-2 |
| Masters d'Orleans | 2019/03/20 10:30 | Gergely Krausz v Koki Watanabe | W | 1-2 |
| Masters d'Orleans | 2019/03/19 18:10 | Adrian Dziolko v Koki Watanabe | W | 0-2 |
| Open di Svizzera DF - Qual. | 2019/03/12 14:20 | Koki Watanabe v Kalle Koljonen | L | 0-2 |
| Masters di Thailandia | 2019/01/10 10:15 | Guangzu Lu v Koki Watanabe | L | 2-0 |
| Masters di Thailandia | 2019/01/09 04:00 | Joo Ven Soong v Koki Watanabe | W | 1-2 |
| Open di Svizzera DF - Qual. | 2019/01/08 06:00 | Koki Watanabe v Elias Bracke | W | 2-0 |
| Open di Svizzera DF - Qual. | 2019/01/08 02:40 | Koki Watanabe v Kantawat Leelavechabutr | W | 2-1 |