| Polish Open | 2019/10/17 10:10 | Tomas Tregler v Giorgos Konstantinopoulos | W | 2-3 |
| Polish Open | 2019/10/16 12:10 | Giorgos Konstantinopoulos v Francisco Miguel Ruiz | W | 3-1 |
| Croatia Open | 2019/05/14 14:20 | David Serdaroglu v Giorgos Konstantinopoulos | W | 1-3 |
| Croatia Open | 2019/05/14 09:00 | Simon Berglund v Giorgos Konstantinopoulos | L | 3-1 |
| German Open | 2020/01/28 14:05 | Dang Qiu v Yi-Hsin Feng | L | 4-1 |
| Oman Open U21 Women | 2019/10/18 08:40 | Peng Xiang v Yi-Hsin Feng | L | 3-0 |
| Bulgaria Open | 2019/08/13 12:30 | Yi-Hsin Feng v Andreas Levenko | W | 4-1 |
| Thailand Open | 2019/05/24 07:25 | Yi-Hsin Feng v Thomas Keinath | W | 4-0 |
| Slovenia Open U21 | 2019/05/11 14:10 | Bastian Rembert v Yi-Hsin Feng | W | 1-3 |
| Slovenia Open U21 | 2019/05/11 11:20 | Shogo Tahara v Yi-Hsin Feng | W | 1-3 |
| Slovenia Open U21 | 2019/05/11 08:40 | Yi-Hsin Feng v Jules Rolland | W | 3-0 |
| Slovenia Open | 2019/05/10 12:15 | Yi-Hsin Feng v Siu Hang Lam | L | 1-4 |