| 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 |
| Orleans Masters | 2023/04/07 15:05 | Magnus Johannesen v Jun Hao Leong | L | 2-0 |
| Orleans Masters | 2023/04/06 16:00 | Jun Hao Leong v Koki Watanabe | W | 2-0 |
| Orleans Masters | 2023/04/05 15:25 | Sai Praneeth B. v Jun Hao Leong | W | 0-2 |
| Orleans Masters Qual | 2023/04/04 13:00 | Fabian Roth v Jun Hao Leong | W | 1-2 |
| Orleans Masters Qual | 2023/04/04 09:40 | Jun Hao Leong v Samuel Hsiao | W | 2-1 |
| Spain Masters Qual | 2023/03/28 11:45 | Magnus Johannesen v Jun Hao Leong | L | 2-0 |
| Spain Masters Qual | 2023/03/28 08:10 | Jun Hao Leong v Yu Jen Chi | W | 2-1 |
| Thailand Masters Qual. | 2023/01/31 03:20 | Jun Hao Leong v Seng Zoe Yeoh | L | 0-2 |