| WTT Star Contender Goa | 2023/03/02 08:55 | Felix Lebrun v Sangsu Lee | L | 3-1 |
| 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 Contender Muscat | 2023/10/11 07:15 | Sangsu Lee v Hiroto Shinozuka | L | 0-3 |
| WTT Star Contender Lanzhou | 2023/10/05 09:40 | Sangsu Lee v Yanning Liang | L | 2-3 |
| WTT Contender Almaty | 2023/08/31 05:10 | Sangsu Lee v Mizuki Oikawa | L | 0-3 |
| WTT Contender Rio | 2023/08/11 14:55 | Sora Matsushima v Sangsu Lee | L | 3-1 |
| WTT Contender Rio | 2023/08/10 17:25 | Jonathan Groth v Sangsu Lee | W | 1-3 |
| WTT Contender Lima | 2023/08/03 16:20 | Jaehyun An v Sangsu Lee | L | 3-1 |
| WTT Champions Frankfurt | 2023/11/02 19:35 | Dang Qiu v Felix Lebrun | W | 0-3 |
| WTT Champions Frankfurt | 2023/10/30 18:00 | Simon Gauzy v Felix Lebrun | W | 2-3 |
| WTT Contender Antalya | 2023/10/22 12:10 | Felix Lebrun v Dimitrij Ovtcharov | W | 4-3 |
| WTT Contender Antalya | 2023/10/21 14:40 | Felix Lebrun v Anton Kallberg | W | 3-1 |
| WTT Contender Antalya | 2023/10/21 07:40 | Hugo Calderano v Felix Lebrun | W | 0-3 |
| WTT Contender Antalya | 2023/10/20 16:10 | Ruwen Filus v Felix Lebrun | W | 0-3 |
| WTT Contender Antalya | 2023/10/20 15:45 | Ruwen Filus v Felix Lebrun | W | 0-3 |
| WTT Contender Antalya | 2023/10/19 14:00 | Lilian Bardet v Felix Lebrun | W | 1-3 |