| Challenger de Ochsenhausen | 2021/04/07 17:28 | Patryk Chojnowski v Panagiotis Gionis | L | 0-2 |
| Challenger de Ochsenhausen | 2021/01/22 18:43 | Patryk Chojnowski v Panagiotis Gionis | L | 1-2 |
| Challenger de Ochsenhausen | 2020/02/06 17:37 | Patryk Chojnowski v Panagiotis Gionis | L | 2-3 |
| República Checa - Extraliga | 2019/04/04 16:08 | Panagiotis Gionis v Patryk Chojnowski | L | 3-1 |
| Challenger de Ochsenhausen | 2022/09/09 17:03 | Kamil Zdzienicki v Patryk Chojnowski | W | 0-3 |
| Challenger de Ochsenhausen | 2022/05/06 17:37 | Patryk Chojnowski v Vladislav Ursu | L | 1-3 |
| TT Star Series | 2022/04/08 16:02 | Patryk Zatowka v Patryk Chojnowski | W | 0-3 |
| Challenger de Ochsenhausen | 2022/03/11 17:01 | Pavel Sirucek v Patryk Chojnowski | L | 3-2 |
| Challenger de Ochsenhausen | 2021/09/08 16:40 | Patryk Chojnowski v Szymon Malicki | W | 3-0 |
| Challenger de Ochsenhausen | 2021/04/07 17:28 | Patryk Chojnowski v Panagiotis Gionis | L | 0-2 |
| Challenger de Ochsenhausen | 2021/04/07 16:09 | Patryk Chojnowski v Milosz Redzimski | W | 3-1 |
| Challenger de Ochsenhausen | 2021/04/02 17:00 | Aliaksandr Khanin v Patryk Chojnowski | W | 0-2 |
| Challenger de Ochsenhausen | 2022/11/17 18:00 | Lichen Wang v Panagiotis Gionis | W | 0-2 |
| Champions League | 2022/11/15 19:20 | Pavel Sirucek v Panagiotis Gionis | W | 0-3 |
| Champions League | 2022/11/15 17:45 | Michal Obeslo v Panagiotis Gionis | W | 1-3 |
| WTT Contender Novo Gorica | 2022/11/02 12:50 | Yuta Tanaka v Panagiotis Gionis | L | 3-1 |
| WTT Contender Novo Gorica | 2022/11/01 18:35 | Panagiotis Gionis v Filip Zeljko | W | 3-1 |
| WTT Contender Novo Gorica | 2022/11/01 09:40 | Panagiotis Gionis v Alex Naumi | W | 3-0 |
| TT Star Series | 2022/10/23 08:04 | Shiyu Sun v Panagiotis Gionis | W | 0-2 |
| Challenger de Ochsenhausen | 2022/10/16 15:12 | Zengyi Wang v Panagiotis Gionis | W | 1-3 |