| Qatar Open XD | 2018/05/29 07:00 | Lei Kou v Qihao Zhou | W | 4-2 |
| Qatar Open Women | 2018/05/05 09:30 | Lei Kou v Noshad Alamiyan | L | 1-3 |
| Qatar Open Women | 2018/05/05 08:00 | Lei Kou v Nima Alamian | W | 3-0 |
| Qatar Open XD | 2018/03/27 17:20 | Alexander Valuch v Lei Kou | W | 0-3 |
| Qatar Open XD | 2018/03/16 19:00 | Daeseong Cho v Lei Kou | L | 4-3 |
| Qatar Open | 2018/03/09 15:00 | Lei Kou v Chun Ting Wong | L | 1-4 |
| Qatar Open | 2018/03/08 15:10 | Marcos Freitas v Lei Kou | W | 2-4 |
| Qatar Open Women | 2018/02/03 09:50 | Panagiotis Gionis v Lei Kou | L | 4-3 |
| Qatar Open XD | 2018/05/30 04:30 | Heng-Wei Yang v Sangeun Jeong | W | 2-4 |
| Czech Extraleague | 2018/05/24 12:10 | Sangeun Jeong v Jonghoon Lim | L | 1-4 |
| German Open WD | 2018/03/23 18:30 | Sangeun Jeong v Chun Ting Wong | L | 2-4 |
| Qatar Open XD | 2018/03/22 15:30 | Sangeun Jeong v Kirill Gerassimenko | W | 4-3 |
| Qatar Open XD | 2018/03/15 12:50 | Sangeun Jeong v Yaroslav Zhmudenko | L | 2-4 |
| Qatar Open XD | 2018/03/06 13:00 | Sangeun Jeong v Yu Zhou | L | 1-4 |
| Qatar Open XD | 2018/02/24 18:20 | Jin Ueda v Sangeun Jeong | L | 3-2 |
| Qatar Open XD | 2018/02/24 17:20 | Tomokazu Harimoto v Sangeun Jeong | L | 3-1 |