| Latvia Int. | 2022/09/04 07:10 | Cheng-Han Tsai v Hai Dang Nguyen | L | 2-0 |
| Asia Championships | 2023/04/26 13:15 | Tien Chen Chou v Hai Dang Nguyen | L | 2-0 |
| Dutch Int. | 2023/04/14 10:00 | Johnnie Torjussen v Hai Dang Nguyen | L | 2-1 |
| Thailand Int. | 2023/03/08 12:50 | Hai Dang Nguyen v Minoru Koga | L | 0-2 |
| Vietnam Open | 2022/09/29 09:50 | Hai Dang Nguyen v Hongyang Weng | L | 0-2 |
| Vietnam Open | 2022/09/28 07:25 | Korakrit Laotrakul v Hai Dang Nguyen | W | 0-2 |
| Latvia Int. | 2022/09/04 07:10 | Cheng-Han Tsai v Hai Dang Nguyen | L | 2-0 |
| Latvia Int. | 2022/09/03 15:00 | Ming Hong Lim v Hai Dang Nguyen | W | 1-2 |
| Latvia Int. | 2022/09/03 07:40 | Hai Dang Nguyen v Jonathan Dolan | W | 2-0 |
| Latvia Int. | 2022/09/04 12:00 | Christopher Vittoriani v Cheng-Han Tsai | L | 2-0 |
| Latvia Int. | 2022/09/04 07:10 | Cheng-Han Tsai v Hai Dang Nguyen | W | 2-0 |
| Latvia Int. | 2022/09/03 15:00 | Cheng-Han Tsai v Enogat Roy | W | 2-1 |
| Latvia Int. | 2022/09/03 07:40 | Cheng-Han Tsai v Mads Juel Moller | W | 2-1 |
| Latvia Int. | 2022/09/02 14:35 | Adnan Ebrahim v Cheng-Han Tsai | W | 0-2 |
| Nouvelle-Aquitaine Int. | 2022/08/25 12:40 | Cheng-Han Tsai v Shun Tian Lim | W | 2-0 |