| WTT - Feeder - Havířov | 2023/07/28 15:15 | Lubomir Jancarik v Joe Seyfried | W | 0-3 |
| WTT - Feeder - Havířov | 2023/07/28 10:25 | Jan Valenta v Joe Seyfried | W | 2-3 |
| WTT - Contender - Tunes - Qualificação | 2023/06/21 16:55 | Cedric Meissner v Joe Seyfried | L | 3-2 |
| WTT - Contender - Tunes - Qualificação | 2023/06/21 11:55 | Joe Seyfried v Abdullah Yigenler | W | 3-0 |
| WTT - Contender - Tunes - Qualificação | 2023/06/20 12:20 | Joe Seyfried v Hugo Deschamps | W | 3-2 |
| WTT - Contender - Lagos - Qualificação | 2023/06/13 11:10 | Joe Seyfried v Harmeet Desai | L | 0-3 |
| WTT - Contender - Lagos - Qualificação | 2023/06/12 11:10 | Joe Seyfried v Dimitrije Levajac | W | 3-0 |
| WTT Feeder Antalya | 2023/03/29 14:45 | Lilian Bardet v Joe Seyfried | L | 3-2 |
| WTT - Feeder - Havířov | 2023/07/28 15:50 | Tommaso Giovannetti v Jaehyun An | W | 1-3 |
| WTT - Star Contender - Liubliana | 2023/07/07 13:35 | Zhendong Fan v Jaehyun An | L | 3-0 |
| WTT - Star Contender - Liubliana | 2023/07/06 13:15 | Jaehyun An v Peng Xiang | W | 3-1 |
| WTT - Star Contender - Liubliana | 2023/07/05 15:00 | Mehdi Bouloussa v Jaehyun An | W | 0-3 |
| WTT Contender Zagreb | 2023/06/29 12:35 | Zhendong Fan v Jaehyun An | L | 3-0 |
| WTT - Contender - Tunes | 2023/06/23 15:30 | Mizuki Oikawa v Jaehyun An | L | 3-2 |
| WTT - Contender - Tunes | 2023/06/22 17:00 | Jaehyun An v Shidong Lin | W | 3-1 |
| WTT - Contender - Lagos | 2023/06/15 15:45 | Cedric Nuytinck v Jaehyun An | L | 3-2 |