| Open de Catar - Dobles Mixtos | 2017/01/17 19:03 | Joao Geraldo v Ioannis Sgouropoulos | W | 4-1 |
| WTT Feeder Olomouc | 2023/08/26 15:10 | Anders Lind v Joao Geraldo | L | 3-1 |
| WTT Feeder Olomouc | 2023/08/25 17:30 | Beixun Zeng v Joao Geraldo | W | 2-3 |
| WTT Feeder Olomouc | 2023/08/25 10:20 | Samuel Walker v Joao Geraldo | W | 1-3 |
| WTT Feeder Olomouc | 2023/08/24 15:10 | Vincent Picard v Joao Geraldo | W | 2-3 |
| WTT Contender Río de Janeiro | 2023/08/10 18:00 | Joao Geraldo v Dang Qiu | L | 1-3 |
| WTT Contender Lima | 2023/08/05 00:05 | Alvaro Robles v Joao Geraldo | L | 3-0 |
| WTT Contender Lima | 2023/08/03 19:00 | Joao Geraldo v Dimitrij Ovtcharov | W | 3-1 |
| WTT Feeder Havirov | 2023/07/28 15:50 | Chen Ce Wang v Joao Geraldo | L | 3-0 |
| WTT Contender Zagreb Quals | 2023/06/27 18:00 | Ioannis Sgouropoulos v Leo De Nodrest | L | 0-3 |
| WTT Contender Zagreb Quals | 2023/06/27 11:45 | Niagol Stoyanov v Ioannis Sgouropoulos | W | 0-3 |
| Campeonato Europeo de Equipos | 2023/05/06 07:30 | Ioannis Sgouropoulos v Martin Froseth | W | 3-0 |
| Campeonato Europeo de Equipos | 2023/05/05 14:30 | Carlos Caballero v Ioannis Sgouropoulos | W | 1-3 |
| Copa de Europa | 2023/04/01 11:55 | Kaii Konishi v Ioannis Sgouropoulos | L | 3-0 |
| Copa de Europa | 2023/02/15 18:50 | Ioannis Sgouropoulos v Esteban Dorr | W | 3-0 |
| Copa de Europa | 2023/02/13 18:30 | Esteban Dorr v Ioannis Sgouropoulos | W | 0-3 |
| Champions League | 2022/11/22 20:20 | Ioannis Sgouropoulos v Ovidiu Ionescu | L | 2-3 |