| Macau Open | 2018/11/03 05:30 | Hyun Il Lee v Sitthikom Thammasin | W | 2-1 |
| Macau Open | 2018/11/03 05:30 | Hyun Il Lee v Sitthikom Thammasin | W | 2-1 |
| Macau Open | 2018/11/02 05:35 | Guangzu Lu v Hyun Il Lee | W | 1-2 |
| Macau Open | 2018/11/01 10:55 | Tanongsak Saensomboonsuk v Hyun Il Lee | W | 1-2 |
| Macau Open | 2018/10/31 09:00 | Yun Hu v Hyun Il Lee | W | 0-2 |
| Indonesia Masters - Mixed dubbel | 2018/09/26 03:40 | Tommy Sugiarto v Hyun Il Lee | L | 2-0 |
| All England Open | 2018/09/20 07:20 | Hyun Il Lee v Yuqi Shi | L | 1-2 |
| All England Open | 2018/09/19 06:15 | Anders Antonsen v Hyun Il Lee | W | 1-2 |
| Indonesia Masters - Mixed dubbel | 2018/07/20 10:20 | Tien Chen Chou v Hyun Il Lee | L | 2-0 |
| Macau Open | 2018/11/03 05:30 | Hyun Il Lee v Sitthikom Thammasin | L | 2-1 |
| Macau Open | 2018/11/02 05:40 | Sitthikom Thammasin v Firman Abdul Kholik | W | 2-0 |
| Macau Open | 2018/11/01 12:15 | Sitthikom Thammasin v Yu Hsien Lin | W | 2-1 |
| Macau Open | 2018/10/31 09:00 | Sitthikom Thammasin v Kwang Hee Heo | W | 2-0 |
| Swiss Open - Damdubbel - Kval | 2018/09/20 08:00 | Lakshya Sen v Sitthikom Thammasin | L | 2-0 |
| Swiss Open - Damdubbel - Kval | 2018/09/19 04:00 | Ryotaro Maruo v Sitthikom Thammasin | W | 0-2 |
| Giraldilla Int. - Mixed dubbel | 2018/08/09 12:25 | Tien Minh Nguyen v Sitthikom Thammasin | L | 2-0 |
| Giraldilla Int. - Mixed dubbel | 2018/08/08 15:05 | Giap Chin Goh v Sitthikom Thammasin | W | 0-2 |