| Sudirman Cup | 2021/09/30 08:00 | Tien Chen Chou v Heo, Kwang Hee | W | 1-2 |
| Sudirman Cup | 2021/09/26 13:20 | Heo, Kwang Hee v Max Weisskirchen | W | 2-1 |
| Olympics 2020 - Men | 2021/07/31 00:00 | Heo, Kwang Hee v Kevin Cordon | L | 0-2 |
| Olympics 2020 - Men | 2021/07/28 11:00 | Kento Momota v Heo, Kwang Hee | W | 0-2 |
| Olympics 2020 - Men | 2021/07/26 09:40 | Heo, Kwang Hee v Lam, Timothy | W | 2-0 |
| Open de Thaïlande | 2021/01/20 03:00 | Heo, Kwang Hee v Tzu Wei Wang | L | 0-2 |
| Open de Thaïlande | 2021/01/12 03:00 | Anthony Sinisuka Ginting v Heo, Kwang Hee | L | 2-1 |
| Open d'Angleterre | 2020/03/11 11:35 | Kanta Tsuneyama v Heo, Kwang Hee | L | 2-1 |
| Sudirman Cup | 2021/09/29 14:00 | Shi, Y. Q. v Kunlavut Vitidsarn | W | 0-2 |
| Sudirman Cup | 2021/09/26 07:40 | Kunlavut Vitidsarn v Srikanth Kidambi | W | 2-0 |
| Orléans Masters | 2021/03/27 11:00 | Toma Junior Popov v Kunlavut Vitidsarn | L | 2-1 |
| Orléans Masters | 2021/03/26 12:30 | Kunlavut Vitidsarn v Leverdez, Brice | W | 2-0 |
| Orléans Masters | 2021/03/25 15:15 | Kunlavut Vitidsarn v Xiaodong Sheng | W | 2-0 |
| Orléans Masters | 2021/03/24 16:15 | Kunlavut Vitidsarn v Yanis Gaudin | W | 2-0 |
| Open d'Angleterre | 2021/03/17 15:20 | Kunlavut Vitidsarn v Jonatan Christie | L | 0-2 |
| Open de Suisse | 2021/03/07 11:00 | Viktor Axelsen v Kunlavut Vitidsarn | L | 2-0 |