| WTT Contender Taiyuan | 2023/11/09 09:20 | Shunsuke Togami v Jaehyun An | L | 3-0 |
| WTT Contender Adalia | 2023/10/19 11:00 | Ruwen Filus v Jaehyun An | L | 3-1 |
| WTT Contender Muscat | 2023/10/11 08:00 | Yun-Ju Lin v Jaehyun An | L | 3-1 |
| WTT Star Contender Lanzhou | 2023/10/06 12:10 | Jaehyun An v Chuqin Wang | L | 0-3 |
| WTT Star Contender Lanzhou | 2023/10/05 11:05 | Chih Yuan Chuang v Jaehyun An | W | 2-3 |
| WTT Star Contender Lanzhou | 2023/10/04 08:30 | Pak Nam Ng v Jaehyun An | W | 1-3 |
| WTT Contender Rio | 2023/08/10 19:35 | Jaehyun An v Mizuki Oikawa | L | 2-3 |
| WTT Contender Lima | 2023/08/04 16:05 | Joao Monteiro v Jaehyun An | L | 3-2 |
| WTT Contender Taiyuan - Qual. | 2023/11/07 12:25 | Niagol Stoyanov v Ryoichi Yoshiyama | L | 3-2 |
| WTT Feeder Doha II | 2023/10/18 10:15 | Yew En Koen Pang v Ryoichi Yoshiyama | L | 3-2 |
| WTT Feeder Doha II | 2023/10/17 16:00 | Ryoichi Yoshiyama v Cedric Nuytinck | W | 3-1 |
| WTT Feeder Doha II | 2023/10/17 08:25 | Hyuk Kwon v Ryoichi Yoshiyama | W | 1-3 |
| WTT Star Contender Lanzhou | 2023/10/06 06:30 | Ryoichi Yoshiyama v Jinbao Ma | L | 2-3 |
| WTT Star Contender Lanzhou | 2023/10/05 06:30 | Hiroto Shinozuka v Ryoichi Yoshiyama | W | 2-3 |
| WTT Star Contender Lanzhou | 2023/10/04 11:40 | Ryoichi Yoshiyama v Junsung Oh | W | 3-2 |
| WTT Star Contender Lanzhou - Qual. | 2023/10/03 08:00 | Ryoichi Yoshiyama v Manush Utpalbhai Shah | W | 3-0 |