| Liga Mistrzów | 2021/11/06 12:40 | Marcos Freitas v Panagiotis Gionis | L | 3-2 |
| Liga Mistrzów | 2021/11/05 18:45 | Jiri Vrablik v Panagiotis Gionis | W | 2-3 |
| Liga Mistrzów | 2021/11/05 17:25 | Frantisek Onderka v Panagiotis Gionis | W | 0-3 |
| Europe Top 16 Cup | 2021/09/18 09:30 | Simon Gauzy v Panagiotis Gionis | L | 4-1 |
| Challenger Series TT | 2021/09/12 14:10 | Panagiotis Gionis v Mateusz Czernik | W | 3-0 |
| Olimpiada 2020 - Mężczyźni 2020 | 2021/07/27 01:00 | Youngsik Jeoung v Panagiotis Gionis | L | 4-3 |
| Olimpiada 2020 - Mężczyźni 2020 | 2021/07/25 05:45 | Ahmed Saleh v Panagiotis Gionis | W | 1-4 |
| Olimpiada 2020 - Mężczyźni 2020 | 2021/07/24 06:00 | Panagiotis Gionis v Zsolt Peto | W | 4-0 |
| Liga Mistrzów | 2021/11/06 17:50 | Ioannis Sgouropoulos v Frantisek Onderka | W | 3-0 |
| Liga Mistrzów | 2021/11/05 13:15 | Ioannis Sgouropoulos v Hugo Calderano | L | 0-3 |
| Liga Mistrzów | 2021/11/05 11:00 | Yun-Ju Lin v Ioannis Sgouropoulos | W | 2-3 |
| European Team Championships | 2021/09/29 13:00 | Truls Moregard v Ioannis Sgouropoulos | L | 3-0 |
| European Team Championships | 2021/09/28 17:55 | Cedric Nuytinck v Ioannis Sgouropoulos | W | 0-3 |
| European Team Championships | 2021/09/28 16:10 | Robin Devos v Ioannis Sgouropoulos | W | 2-3 |
| Liga Mistrzów | 2021/09/16 13:10 | Michal Bankosz v Ioannis Sgouropoulos | W | 0-3 |
| Liga Mistrzów | 2021/09/15 13:20 | Ioannis Sgouropoulos v Gabor Gerold | W | 3-1 |