| Liga Campionilor | 12/14 19:15 | - | Gionis Panagiotis v Michal Obeslo | W | 3-1 | |
| Liga Campionilor | 12/14 17:40 | - | Gionis Panagiotis v Dmitrij Prokopcov | W | 3-1 | |
| Liga Campionilor | 12/01 18:35 | - | Panagiotis Gionis v Dang Qiu | W | 3-1 | |
| WTT - Feeder Dusseldorf | 11/25 11:15 | - | Dimitrij Ovtcharov v Panagiotis Gionis | W | 2-3 | |
| WTT - Feeder Dusseldorf | 11/24 17:30 | - | Omar Assar v Panagiotis Gionis | W | 0-4 | |
| WTT - Feeder Dusseldorf | 11/24 12:20 | - | Deni Kozul v Panagiotis Gionis | W | 0-4 | |
| WTT - Feeder Dusseldorf | 11/23 16:45 | - | Panagiotis Gionis v Yi-Hsin Feng | L | 2-3 | |
| WTT - Feeder Dusseldorf | 11/23 12:15 | - | Panagiotis Gionis v Andreas Levenko | W | 4-0 | |
| Challenger - Ochsenhausen | 11/17 18:26 | - | Patryk Chojnowski v Panagiotis Gionis | L | 3-1 | |
| Challenger - Ochsenhausen | 11/17 18:00 | - | Lichen Wang v Panagiotis Gionis | W | 0-2 | |
| Liga Campionilor | 11/15 19:20 | - | Pavel Sirucek v Panagiotis Gionis | W | 0-3 | |
| Liga Campionilor | 11/15 17:45 | - | Michal Obeslo v Panagiotis Gionis | W | 1-3 | |
| WTT Contender Novo Gorica | 11/02 12:50 | - | Yuta Tanaka v Panagiotis Gionis | L | 3-1 | |
| WTT Contender Novo Gorica | 11/01 18:35 | - | Panagiotis Gionis v Filip Zeljko | W | 3-1 | |
| WTT Contender Novo Gorica | 11/01 09:40 | - | Panagiotis Gionis v Alex Naumi | W | 3-0 | |
| Poland Ekstaklasa Women | 10/23 08:04 | - | Shiyu Sun v Panagiotis Gionis | W | 0-2 | |
| Challenger - Ochsenhausen | 10/16 15:12 | - | Zeng Yi Wang v Panagiotis Gionis | W | 1-3 | |
| Challenger - Ochsenhausen | 05/06 16:38 | - | Tomasz Tomaszuk v Gionis Panagiotis | W | 1-3 | |
| Challenger - Ochsenhausen | 03/11 17:20 | - | Panagiotis Gionis v Jakub Dyjas | W | 3-2 | |
| Europe Top 16 Cup | 02/26 17:20 | 3 | Panagiotis Gionis v Patrick Franziska | L | 1-4 | |
| Europe Top 16 Cup | 02/26 08:25 | 4 | Robert Gardos v Gionis Panagiotis | W | 2-4 | |
| Cupa Europei | 02/23 18:20 | - | Panagiotis Gionis v Andrej Gacina | W | 3-0 | |
| Cupa Europei | 02/23 17:00 | - | Panagiotis Gionis v Leonardo Mutti | W | 3-1 | |
| Liga Campionilor | 11/07 13:20 | - | Panagiotis Gionis v Lev Katsman | L | 2-3 | |
| Liga Campionilor | 11/07 11:25 | - | Panagiotis Gionis v Ioannis Sgouropoulos | L | 1-3 | |
| Liga Campionilor | 11/06 12:40 | - | Marcos Freitas v Panagiotis Gionis | L | 3-2 | |
| Liga Campionilor | 11/05 18:45 | - | Jiri Vrablik v Panagiotis Gionis | W | 2-3 | |
| Liga Campionilor | 11/05 17:25 | - | Frantisek Onderka v Panagiotis Gionis | W | 0-3 | |
| Europe Top 16 Cup | 09/18 09:30 | 4 | Simon Gauzy v Panagiotis Gionis | L | 4-1 | |
| Poland Ekstaklasa Women | 09/12 14:10 | - | Gionis Panagiotis v Mateusz Czernik | W | 3-0 |