| WTT Saudi Smash Quals | 05/01 11:00 | 14 | Panagiotis Gionis v Cheng-Ting Liao | W | 3-1 | |
| Europe Cup | 04/27 16:10 | - | Kaii Konishi v Panagiotis Gionis | L | 3-0 | |
| Europe Cup | 04/27 16:00 | - | Konishi Kaii v Panagiotis Gionis | L | 3-0 | |
| Europe Cup | 04/25 18:20 | - | Panagiotis Gionis v Jakub Dyjas | L | 2-3 | |
| WTT Feeder Dusseldorf | 04/10 12:05 | 6 | Panagiotis Gionis v Filip Zeljko | L | 2-3 | |
| Europe Cup | 03/29 17:00 | - | Panagiotis Gionis v Thomas Laroche | W | 3-0 | |
| Europe Cup | 03/27 18:40 | - | Dany Lo v Gionis Panagiotis | W | 0-3 | |
| WTT Feeder - Bejrut 2 | 03/23 11:30 | 4 | Panagiotis Gionis v Kirill Gerassimenko | L | 1-3 | |
| WTT Feeder - Bejrut 2 | 03/22 17:00 | 5 | Panagiotis Gionis v Navid Shams | W | 3-0 | |
| WTT Feeder - Bejrut 2 | 03/22 11:20 | 6 | Panagiotis Gionis v Remi Chambet-Weil | W | 3-0 | |
| Challenger Ochsenhausen | 03/17 15:00 | - | Panagiotis Gionis v Damian Wederlich | W | 3-0 | |
| Singapore Smash - Kwalifikacje | 03/08 06:45 | 6 | Panagiotis Gionis v Daniel Habesohn | L | 0-3 | |
| Europe Cup | 02/08 18:50 | - | Panagiotis Gionis v Vladislav Ursu | W | 3-2 | |
| WTT Feeder - Manchester | 02/02 18:20 | 5 | Panagiotis Gionis v Ovidiu Ionescu | L | 2-3 | |
| Europe Cup | 01/31 17:45 | - | Taku Takakiwa v Panagiotis Gionis | L | 3-2 | |
| Europe Cup | 01/31 16:00 | - | Vladislav Ursu v Panagiotis Gionis | L | 3-0 | |
| WTT Contender - Doha | 01/18 10:25 | 4 | Panagiotis Gionis v Sangsu Lee | L | 1-3 | |
| WTT Contender - Doha | 01/17 15:05 | 5 | Panagiotis Gionis v Izaac Quek | W | 3-0 | |
| WTT Contender - Doha - Kwalifikacje | 01/16 14:10 | - | Panagiotis Gionis v Kay Stumper | W | 3-2 | |
| WTT Contender - Doha - Kwalifikacje | 01/15 13:20 | - | Manush Utpalbhai Shah v Panagiotis Gionis | W | 2-3 | |
| WTT Contender - Doha - Kwalifikacje | 01/14 14:15 | - | Nima Alamian v Panagiotis Gionis | W | 0-3 | |
| WTT Feeder Biella | 12/17 16:45 | 1 | Benedikt Duda v Panagiotis Gionis | L | 3-2 | |
| WTT Feeder Biella | 12/17 10:30 | 2 | Chih Yuan Chuang v Panagiotis Gionis | W | 0-3 | |
| WTT Feeder Biella | 12/16 16:50 | 3 | Noshad Alamiyan v Panagiotis Gionis | W | 1-3 | |
| WTT Feeder Biella | 12/15 19:10 | 4 | Panagiotis Gionis v Sharath Kamal Achanta | W | 3-1 | |
| WTT Feeder Biella | 12/15 14:00 | 5 | Niagol Stoyanov v Panagiotis Gionis | W | 2-3 | |
| WTT Feeder Biella | 12/14 19:45 | 6 | Angel Naranjo v Panagiotis Gionis | W | 0-3 | |
| Challenger Ochsenhausen | 12/05 16:20 | - | Slawomir Dosz v Panagiotis Gionis | W | 1-3 | |
| European Champions League | 12/01 17:50 | - | David Reitspies v Panagiotis Gionis | W | 1-3 | |
| Liga Mistrzów | 11/22 18:35 | - | Panagiotis Gionis v Dimitrij Ovtcharov | L | 2-3 |