| Lithuanian Int. | 2022/06/10 12:05 | Alvaro Leal v Koya, Sai Charan | W | 0-2 |
| Lithuanian Int. Qual | 2022/06/10 06:00 | Dominik Stipsits v Koya, Sai Charan | W | 0-2 |
| Lithuanian Int. Qual | 2022/06/09 07:45 | Koya, Sai Charan v Frank, Romain | W | 2-0 |
| Open de Pologne - Qualif. | 2022/03/24 09:10 | Koya, Sai Charan v Karan Rajan Rajarajan | L | 1-2 |
| International du Portugal Qualif. | 2022/03/11 10:00 | Riku Hatano v Koya, Sai Charan | L | 2-1 |
| International du Portugal Qualif. | 2022/03/10 16:10 | Koya, Sai Charan v Danny Robson | W | 2-0 |
| International du Portugal Qualif. | 2022/03/10 09:30 | David Silva v Koya, Sai Charan | W | 0-2 |
| Odisha Open Qual | 2022/01/25 08:50 | Sai Vishnu Pullela v Koya, Sai Charan | L | 2-1 |
| Lithuanian Int. | 2022/06/11 14:40 | Belawa, Syabda Perkasa v Hai Dang Nguyen | L | 2-1 |
| Lithuanian Int. | 2022/06/11 09:20 | Hai Dang Nguyen v Shao Herng Hooi | W | 2-0 |
| Lithuanian Int. | 2022/06/10 09:45 | Hai Dang Nguyen v Ragnar Sepp | W | 2-0 |
| Vietnam Open | 2019/09/12 03:20 | Hai Dang Nguyen v Hsueh, H. Y. | L | 0-2 |
| Vietnam Open | 2019/09/11 06:20 | Hai Dang Nguyen v Lucas Claerbout | W | 2-0 |
| Vietnam Open Qual | 2019/09/10 09:15 | Sardik, Datu Mohd Saffuan Nizam v Hai Dang Nguyen | W | 0-2 |
| Vietnam Open Qual | 2019/09/10 03:15 | Hai Dang Nguyen v Kim, Thuan | W | 2-0 |
| Azerbaïdjan Int. - Qualif. | 2019/06/06 06:30 | Schaenzler, Lars v Hai Dang Nguyen | L | 2-0 |