| WTT Contender Doha | 2024/01/19 10:30 | Timo Boll v Sangsu Lee | L | 3-1 |
| WTT Contender Doha | 2024/01/18 10:25 | Panagiotis Gionis v Sangsu Lee | W | 1-3 |
| WTT Contender Doha | 2024/01/17 12:25 | Chih Yuan Chuang v Sangsu Lee | W | 1-3 |
| WTT Star Contender - Doha | 2024/01/10 12:25 | Yukiya Uda v Sangsu Lee | L | 3-0 |
| WTT Contender Taiyuan | 2023/11/09 05:05 | Cheng-Jui Kao v Sangsu Lee | L | 3-1 |
| WTT Champions Frankfurt | 2023/11/03 18:30 | Sangsu Lee v Felix Lebrun | L | 2-3 |
| WTT Champions Frankfurt | 2023/11/01 15:30 | Zhendong Fan v Sangsu Lee | W | 1-3 |
| WTT Champions Frankfurt | 2023/10/29 13:25 | Sangsu Lee v Timo Boll | W | 3-1 |
| WTT Star Contender Goa | 2024/01/25 10:10 | Yang Wang v Junsung Oh | W | 0-3 |
| WTT Star Contender Goa - kval. | 2024/01/24 12:00 | Junsung Oh v Cheng-Ting Liao | W | 3-2 |
| WTT Star Contender Goa - kval. | 2024/01/23 11:40 | Junsung Oh v Fanbo Meng | W | 3-0 |
| WTT Contender Doha | 2024/01/17 15:30 | Noshad Alamiyan v Junsung Oh | L | 3-0 |
| WTT Contender Doha - kval. | 2024/01/16 13:25 | Mehdi Bouloussa v Junsung Oh | W | 1-3 |
| WTT Contender Doha - kval. | 2024/01/15 15:45 | Tzu-Yi Yang v Junsung Oh | W | 0-3 |
| WTT Contender Doha - kval. | 2024/01/14 14:50 | Moamen Mahmoud v Junsung Oh | W | 0-3 |
| WTT Contender Taiyuan | 2023/11/11 02:40 | Junsung Oh v Gaoyuan Lin | L | 1-3 |