| WTT Feeder - Düsseldorf | 04/11 16:55 | 3 | Yi-Hsin Feng v Kanak Jha | L | 1-3 | |
| WTT Feeder - Düsseldorf | 04/11 12:35 | 4 | Maharu Yoshimura v Yi-Hsin Feng | W | 2-3 | |
| WTT Feeder - Düsseldorf | 04/10 16:45 | 5 | Yi-Hsin Feng v Steffen Mengel | W | 3-0 | |
| WTT Feeder - Düsseldorf | 04/10 11:10 | 6 | Jakub Dyjas v Yi-Hsin Feng | W | 1-3 | |
| WTT Feeder - Varazdin | 04/06 16:20 | 2 | Yi-Hsin Feng v Chun Ting Wong | L | 1-3 | |
| WTT Feeder - Varazdin | 04/06 10:10 | 3 | Luka Mladenovic v Yi-Hsin Feng | W | 2-3 | |
| WTT Feeder - Varazdin | 04/05 17:05 | 4 | Yuta Tanaka v Yi-Hsin Feng | W | 0-3 | |
| WTT Feeder - Varazdin | 04/05 09:25 | 5 | Yi-Hsin Feng v Tomislav Pucar | W | 3-1 | |
| WTT Feeder - Varazdin | 04/04 12:20 | 6 | Yi-Hsin Feng v Guilherme Teodoro | W | 3-0 | |
| WTT Feeder - Otocec | 04/01 09:45 | 2 | Daeseong Cho v Yi-Hsin Feng | L | 3-1 | |
| WTT Feeder - Otocec | 03/31 17:30 | 3 | Yang Wang v Yi-Hsin Feng | W | 0-3 | |
| WTT Feeder - Otocec | 03/30 19:00 | 4 | Yi-Hsin Feng v Benedikt Duda | W | 3-2 |