Stadium: Central Court Round: 54 Ground: Hardcourt outdoor
| UTR Pro Tennis Series Barcelona | 2021/12/06 10:00 | Ignasi De Rueda De Genover v Stefanos Sakellaridis | 4-6,6-7 |
| UTR Pro Tennis Series Barcelona | 2021/11/27 09:30 | Ignasi De Rueda De Genover v Diego Barreto | 2-6,1-2 |
| UTR Pro Tennis Series Barcelona | 2021/11/26 16:17 | Ignasi De Rueda De Genover v Fermin Calvo Barcelo | 7-6,5-1 |
| UTR Pro Tennis Series Barcelona | 2021/11/25 15:45 | Ignasi De Rueda De Genover v Anthony Genov | 6-7,6-4,5-2 |
| UTR Pro Tennis Series Barcelona | 2021/11/25 08:00 | Ignasi De Rueda De Genover v Marat Deviatiarov | 7-6,6-6 |
| UTR Pro Tennis Series Barcelona | 2021/11/22 08:00 | Alvaro Bueno Gil v Ignasi De Rueda De Genover | 6-4,5-4 |
| UTR Pro Tennis Series Barcelona | 2021/11/14 09:30 | Ignasi De Rueda De Genover v Alexis Klegou | 5-7,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/11/11 18:00 | Ignasi De Rueda De Genover v Tilen Zitnik | 6-4,3-6,6-0 |
| ITF M15 Torello | 2021/11/02 09:00 | Stefanos Sakellaridis v Constantinos Koshis | 1-6,6-4,10-8 |
| ITF M25 Madrid | 2021/09/14 09:05 | Nikolas Sanchez Izquierdo v Constantinos Koshis | 6-2,6-2 |
| ITF M25 Madrid | 2021/09/13 09:00 | Hermanni Tiainen v Constantinos Koshis | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/02/02 07:30 | Aidan Mchugh v Constantinos Koshis | 6-2,6-4 |
| ITF M15 Sharm El Sheikh | 2021/02/01 10:30 | Constantinos Koshis v Robert Strombachs | 3-6,6-2,10-6 |
| ITF M15 Sharm El Sheikh | 2021/01/31 07:00 | Lucas Hellfritsch v Constantinos Koshis | 2-6,5-7 |
| ITF M15 Antalya | 2021/01/13 09:45 | Constantinos Koshis v Federico Arnaboldi | 1-6,2-6 |
| ITF M15 Antalya | 2021/01/12 07:00 | Constantinos Koshis v Igor Trunov | 6-2,6-4 |