| WTT Star Contender - Doha | 2021/09/23 15:00 | Chih Yuan Chuang v Sangsu Lee | L | 1-3 |
| Qatar Open - Dames | 2018/06/09 08:50 | Sangsu Lee v Chih Yuan Chuang | L | 4-3 |
| WTT Star Contender - Doha | 2021/09/23 15:00 | Chih Yuan Chuang v Sangsu Lee | L | 1-3 |
| WTT Star Contender - Doha | 2021/09/23 12:00 | Chih Yuan Chuang v Daniel Habesohn | W | 3-2 |
| Olympische Spelen 2020 - Team - Heren 2020 | 2021/08/03 07:30 | Chih Yuan Chuang v Dimitrij Ovtcharov | L | 0-3 |
| Olympische Spelen 2020 - Team - Heren 2020 | 2021/08/01 02:00 | Chih Yuan Chuang v Andrej Gacina | W | 3-0 |
| Olympische Spelen 2020 - Heren 2020 | 2021/07/27 12:30 | Omar Assar v Chih Yuan Chuang | L | 4-3 |
| Olympische Spelen 2020 - Heren 2020 | 2021/07/26 06:30 | Chun Ting Wong v Chih Yuan Chuang | W | 1-4 |
| Olympische Spelen 2020 - Heren 2020 | 2021/07/25 06:30 | Chih Yuan Chuang v Horacio Cifuentes | W | 4-3 |
| WTT Star Contender - Doha | 2021/03/08 08:35 | Pavel Sirucek v Chih Yuan Chuang | L | 3-2 |
| WTT Star Contender - Doha | 2021/09/23 15:00 | Chih Yuan Chuang v Sangsu Lee | W | 1-3 |
| WTT Star Contender - Doha | 2021/09/23 10:30 | Kazuhiro Yoshimura v Sangsu Lee | W | 0-3 |
| Olympische Spelen 2020 - Team - Heren 2020 | 2021/08/04 06:30 | Long Ma v Sangsu Lee | L | 3-2 |
| WTT Star Contender - Doha | 2021/03/09 09:15 | Anton Kallberg v Sangsu Lee | L | 3-1 |
| WTT - Contender Doha | 2021/03/04 11:00 | Tomokazu Harimoto v Sangsu Lee | L | 3-1 |
| WTT - Contender Doha | 2021/03/03 13:15 | Sangsu Lee v Robert Gardos | W | 3-1 |
| German Open | 2020/01/30 19:50 | Sangsu Lee v Simon Gauzy | L | 1-4 |
| World Team Olympic Quals | 2020/01/24 11:00 | Sangsu Lee v Pavel Sirucek | W | 3-0 |