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