| Thailand Open | 2019/05/25 07:10 | Gyeongtae Park v Jaejun Cho | W | 1-4 |
| Thailand Open | 2019/05/24 11:20 | Jaejun Cho v Heng-Wei Yang | W | 4-1 |
| Thailand Open | 2019/05/24 06:40 | Chi-Chien Lai v Jaejun Cho | W | 2-4 |
| Thailand Open | 2019/05/23 06:05 | Josh Shao Han Chua v Jaejun Cho | W | 1-3 |
| Thailand Open | 2019/05/22 13:10 | Jaejun Cho v Manush Utpalbhai Shah | W | 3-1 |
| Thailand Open | 2019/05/22 07:25 | Yu Bin Kwak v Jaejun Cho | W | 1-3 |
| Thailand Open | 2019/05/25 07:10 | Ibrahima Diaw v Hyundeok Seo | W | 1-4 |
| Thailand Open | 2019/05/24 11:20 | Hyundeok Seo v Gavin Rumgay | W | 4-0 |
| Thailand Open | 2019/05/23 06:45 | Hyundeok Seo v Yu-Jen Huang | W | 3-0 |
| Thailand Open | 2019/05/23 06:45 | Hyundeok Seo v Yu-Jen Huang | W | 3-0 |
| Qatar Open XD | 2019/03/26 11:00 | Yuya Oshima v Hyundeok Seo | L | 4-1 |
| Qatar Open XD | 2019/03/26 07:00 | Hyundeok Seo v Leonardo Mutti | W | 4-2 |
| Qatar Open XD | 2017/11/25 12:05 | Alvaro Robles v Hyundeok Seo | L | 4-2 |
| Qatar Open XD | 2017/11/13 16:50 | Hyundeok Seo v Malte Moregard | L | 2-4 |