| WTT - Feeder Havirov | 2023/07/30 16:45 | Jaehyun An v Simon Gauzy | W | 3-2 |
| WTT - Feeder Havirov | 2023/07/30 10:20 | Marcos Freitas v Jaehyun An | W | 0-3 |
| WTT - Feeder Havirov | 2023/07/29 17:20 | Anders Lind v Jaehyun An | W | 1-3 |
| WTT - Feeder Havirov | 2023/07/29 11:45 | Joe Seyfried v Jaehyun An | W | 2-3 |
| WTT - Feeder Havirov | 2023/07/28 15:50 | Tommaso Giovannetti v Jaehyun An | W | 1-3 |
| WTT Star Contender Ljubljana | 2023/07/07 13:35 | Zhendong Fan v Jaehyun An | L | 3-0 |
| WTT Star Contender Ljubljana | 2023/07/06 13:15 | Jaehyun An v Peng Xiang | W | 3-1 |
| WTT Star Contender Ljubljana | 2023/07/05 15:00 | Mehdi Bouloussa v Jaehyun An | W | 0-3 |
| WTT Star Contender Ljubljana | 2023/07/05 09:55 | Shunsuke Togami v Sangsu Lee | L | 3-1 |
| WTT Contender Zagreb | 2023/06/29 10:10 | Qihao Zhou v Sangsu Lee | L | 3-2 |
| ITTF World Championships | 2023/05/24 13:35 | Sangsu Lee v Gaoyuan Lin | L | 0-4 |
| ITTF World Championships | 2023/05/22 09:30 | Sangsu Lee v Sharath Kamal Achanta | W | 4-0 |
| ITTF World Championships | 2023/05/21 10:55 | Sangsu Lee v Yan-Cheng Huang | W | 4-0 |
| WTT Champions Macao | 2023/04/20 14:10 | Zhendong Fan v Sangsu Lee | L | 3-0 |
| WTT Champions Macao | 2023/04/17 05:30 | Yukiya Uda v Sangsu Lee | W | 0-3 |
| WTT Champions Xinxiang | 2023/04/12 12:05 | Zhendong Fan v Sangsu Lee | L | 3-1 |