| Challenger Ochsenhausen | 2020/09/20 14:59 | Panagiotis Gionis v Andrej Gacina | W | 3-1 |
| Challenger Ochsenhausen | 2020/03/09 18:24 | Asuka Machi v Panagiotis Gionis | L | 2-0 |
| Challenger Ochsenhausen | 2020/03/09 17:33 | Artur Grela v Panagiotis Gionis | W | 1-3 |
| Hungarian Open | 2020/02/21 16:10 | Panagiotis Gionis v Benedikt Duda | L | 1-4 |
| Hungarian Open | 2020/02/20 16:50 | Bence Majoros v Panagiotis Gionis | W | 2-4 |
| Hungarian Open | 2020/02/19 16:40 | Stephane Ouaiche v Panagiotis Gionis | W | 1-4 |
| Hungarian Open | 2020/02/19 09:40 | Andrea Landrieu v Panagiotis Gionis | W | 0-4 |
| European Champions League | 2020/02/14 15:40 | Andrej Gacina v Panagiotis Gionis | L | 3-0 |