| Indonesia Masters XD | 03/07 16:15 | 5 | Hyun Il Lee v Khosit Phetpradab | W | 2-1 | |
| Indonesia Masters XD | 01/17 11:35 | 5 | Viktor Axelsen v Hyun II Lee | L | 2-1 | |
| All England Open | 11/22 03:15 | 5 | Long Chen v Hyun II Lee | L | 2-0 | |
| Macau Open | 11/11 05:00 | 2 | Kento Momota v Hyun II Lee | L | 2-0 | |
| Macau Open | 11/10 06:30 | 3 | Hyun II Lee v Wei Feng Chong | W | 2-1 | |
| Macau Open | 11/09 07:15 | 4 | Hyun Il Lee v Firman Abdul Kholik | W | 2-1 | |
| Macau Open | 11/08 07:10 | 5 | Hyun II Lee v Chia Hao Lee | W | 2-0 | |
| Macau Open | 11/07 10:20 | 6 | Hyun Il Lee v June Wei Cheam | W | 2-0 | |
| French Open | 10/25 07:00 | 5 | H.S. Prannoy v Hyun Lee | L | 2-0 | |
| Denmark Open | 10/22 12:30 | 1 | Hyun Lee v Srikanth Kidambi | L | 0-2 | |
| Denmark Open | 10/21 11:10 | 2 | Wan Ho Son v Hyun II Lee | W | 1-2 | |
| Denmark Open | 10/20 14:00 | 3 | Rajiv Ouseph v Hyun II Lee | W | 0-2 | |
| Denmark Open | 10/19 09:00 | 4 | Hyun Il Lee v Tanongsak Saensomboonsuk | W | 2-1 | |
| Denmark Open | 10/18 17:30 | 5 | Long Chen v Hyun Il Lee | W | 0-2 | |
| All England Open | 09/21 01:50 | 4 | Wan Ho Son v Hyun Il Lee | L | 2-0 | |
| All England Open | 09/20 01:15 | 5 | Tzu Wei Wang v Hyun II Lee | W | 1-2 | |
| All England Open | 09/13 10:15 | 5 | Hyun Il Lee v Jonatan Christie | L | 1-2 | |
| Indonesia Masters XD | 07/19 18:30 | 6 | Hyun Il Lee v Kashyap Parupalli | L | 1-2 | |
| Indonesia Masters XD | 07/15 19:30 | 2 | Hyun Il Lee v Kanta Tsuneyama | L | 1-2 | |
| Indonesia Masters XD | 07/14 22:00 | 3 | Hyun Il Lee v Ygor Coelho | W | 2-0 | |
| Indonesia Masters XD | 07/14 02:20 | 4 | Hyun Il Lee v Lucas Corvee | W | 2-1 | |
| Indonesia Masters XD | 07/12 19:40 | 5 | Hyun Il Lee v Lakhanee Sarang | W | 2-0 | |
| Indonesia Masters XD | 07/11 00:00 | 1 | Hyun Il Lee v Hashiru Shimono | W | 2-0 | |
| All England Open | 06/24 04:15 | 2 | Long Chen v Hyun Il Lee | L | 2-1 | |
| All England Open | 06/23 08:30 | 3 | Houwei Tian v Hyun Il Lee | W | 1-2 | |
| All England Open | 06/22 08:00 | 4 | Hyun Il Lee v Zulfadli Zulkiffli | W | 2-0 | |
| All England Open | 06/21 03:30 | 5 | Anders Antonsen v Hyun Il Lee | W | 1-2 | |
| All England Open | 06/14 09:50 | 5 | Yuqi Shi v Hyun Il Lee | L | 2-0 | |
| All England Open | 01/22 04:20 | 1 | Ka Long Angus NG v Hyun Il Lee | - | Retired | |
| All England Open | 01/21 03:10 | 2 | Tommy Sugiarto v Hyun Il Lee | W | 0-2 |