| WTT - Feeder Havirov | 2023/07/28 15:15 | Anders Lind v Chien-An Chen | L | 3-2 |
| WTT - Feeder Havirov | 2023/07/28 11:00 | Chien-An Chen v Simon Belik | W | 3-0 |
| WTT Contender Zagreb Quals | 2023/06/27 19:05 | Chien-An Chen v Dongsoo Kang | L | 0-3 |
| WTT Contender Zagreb Quals | 2023/06/27 11:05 | Chien-An Chen v Albert Vilardell | W | 3-1 |
| WTT Feeder Antalya | 2023/03/29 17:05 | Irvin Bertrand v Chien-An Chen | L | 3-2 |
| WTT Singapore Smash Quals | 2023/03/07 11:50 | Cedric Nuytinck v Chien-An Chen | L | 3-2 |
| WTT Feeder Dusseldorf | 2022/11/23 11:35 | Fanbo Meng v Chien-An Chen | L | 3-2 |
| WTT Feeder Panagyurishte | 2022/09/03 11:15 | Chien-An Chen v Can Akkuzu | L | 0-4 |
| WTT Feeder Olomouc Quals 2023 | 2023/08/23 13:40 | Sun, Zheng v Balazs Lei | W | 3-1 |
| WTT Feeder Olomouc Quals 2023 | 2023/08/23 09:15 | Sun, Zheng v Adam Klajber | W | 3-1 |
| WTT Feeder Olomouc Quals 2023 | 2023/08/22 12:05 | Laurens Devos v Sun, Zheng | W | 1-3 |
| WTT - Feeder Havirov | 2023/07/28 11:35 | Zeng, Beixun v Sun, Zheng | L | 3-1 |
| WTT - Feeder Havirov - Qualif. | 2023/07/27 15:35 | Sun, Zheng v Francisco Sanchi | W | 3-2 |
| République tchèque - Extraleague | 2018/11/17 10:50 | Harmeet Desai v Sun, Zheng | L | 4-2 |
| République tchèque - Extraleague | 2018/11/16 16:00 | Cnudde, Florian v Sun, Zheng | W | 0-4 |
| République tchèque - Extraleague | 2018/11/15 16:45 | Sun, Zheng v Nandor Ecseki | W | 4-2 |