| Vietnam Open | 2019/09/12 03:20 | Hai Dang Nguyen v Hsuan Yi Hsueh | L | 0-2 |
| Vietnam Open | 2019/09/11 06:20 | Hai Dang Nguyen v Lucas Claerbout | W | 2-0 |
| Vietnam Open - selejtezők | 2019/09/10 09:15 | Datu Mohd Saffuan Nizam Sardik v Hai Dang Nguyen | W | 0-2 |
| Vietnam Open - selejtezők | 2019/09/10 03:15 | Hai Dang Nguyen v Thuan Kim | W | 2-0 |
| Azerbaijan Int. - selejtezők | 2019/06/06 06:30 | Lars Schaenzler v Hai Dang Nguyen | L | 2-0 |
| Vietnam Int. | 2019/04/09 12:10 | Wei Chi Liu v Hai Dang Nguyen | L | 2-0 |
| Vietnam Int. Qual | 2019/04/09 04:00 | Hai Dang Nguyen v Sachin Chandra Shekhara | W | 2-0 |
| Giraldilla Int. XD | 2019/02/20 11:10 | Hai Dang Nguyen v Kodai Naraoka | L | 0-2 |
| Ukraine Open | 2022/01/28 14:00 | Oleksii Titov v Ragnar Sepp | L | 2-0 |
| Estonian Int. - selejtezők | 2022/01/13 10:40 | Ragnar Sepp v Gabriel Rodrigues | L | 0-2 |
| Italian Int. - selejtezők | 2021/12/16 10:55 | Nicolas A. Mueller v Ragnar Sepp | L | 2-0 |
| Bulgarian Int Qual | 2021/10/07 12:05 | Borko Petrovic v Ragnar Sepp | L | 2-0 |
| Bulgarian Int Qual | 2021/10/07 07:30 | Ragnar Sepp v Nicolai Condratiuc | W | 2-0 |
| Bulgarian Int. | 2020/10/02 16:40 | Ragnar Sepp v Oleksandar Shmundyak | L | 0-2 |
| Latvia Int. | 2020/08/29 12:45 | Ragnar Sepp v Karl Kert | L | 0-2 |
| Swedish Open - selejtezők | 2020/01/16 11:20 | Magnus Klinggaard v Ragnar Sepp | L | 2-0 |