| 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 |
| Qatar Open XD | 2017/07/04 05:10 | Jun Mizutani v Hyundeok Seo | L | 4-0 |
| Qatar Open XD | 2017/07/03 06:00 | Hyundeok Seo v Shaoping Zhang | W | 4-0 |
| Qatar Open XD | 2017/07/02 10:15 | Hyundeok Seo v Chia-Hung Sun | W | 4-0 |
| Qatar Open XD | 2017/07/02 05:00 | Hyundeok Seo v Benjamin Houghton | W | 4-0 |
| Qatar Open XD | 2017/06/15 03:10 | Ricardo Walther v Hyundeok Seo | L | 4-0 |
| Qatar Open XD | 2017/04/18 07:26 | Hunor Szocs v Hyundeok Seo | L | 4-0 |