Stadium: Court 5 Round: 62 Ground: Clay
| UTR Pro Tennis Series Ricany | 2021/09/18 10:30 | Stefanos Sakellaridis v Michalis Sakellaridis | 6-2,7-6 |
| UTR Pro Tennis Series Ricany | 2021/09/17 07:30 | Dominik Kellovsky v Michalis Sakellaridis | 6-2,6-3 |
| UTR Pro Tennis Series Ricany | 2021/09/12 10:30 | Michalis Sakellaridis v Dominik Langmajer | 6-2,5-2 |
| UTR Pro Tennis Series Ricany | 2021/09/10 07:30 | Michalis Sakellaridis v Andrey Chepelev | 0-6,2-6 |
| UTR Pro Tennis Series Ricany | 2021/09/08 12:00 | Michalis Sakellaridis v Lawrence Bataljin | 2-6,3-5 |
| UTR Pro Tennis Series Ricany | 2021/09/07 07:30 | Michalis Sakellaridis v Yanais Laurent | 2-6,3-5 |
| UTR Pro Tennis Series Ricany | 2021/09/06 12:00 | Jan Satral v Michalis Sakellaridis | 6-2,6-2 |
| ITF M15 Bad Waltersdorf | 2021/08/30 09:00 | Alberto Morolli v Michalis Sakellaridis | 6-3,6-3 |
| ITF M25 Sintra | 2021/09/15 12:25 | Luciano Darderi v Alan F R Fierros | 7-6,2-6,6-4 |
| ITF M25 Sintra | 2021/09/14 13:20 | Daniel Little v Alan F R Fierros | 4-6,6-7 |
| ITF M25 Sintra | 2021/09/13 12:00 | Afonso Portugal v Alan F R Fierros | 2-6,2-6 |
| ITF M25 Sintra | 2021/09/06 13:45 | Fabio Coelho v Alan F R Fierros | 3-6,7-5,11-9 |
| ITF M25 Sintra | 2021/09/05 08:30 | Alan F R Fierros v Luigi Castelletti | 6-2,6-0 |
| ITF M15 Monastir | 2021/08/31 08:00 | Kyle Seelig v Alan F R Fierros | 6-2,6-4 |
| ITF M15 Monastir | 2021/08/30 10:00 | Alan F R Fierros v Rishi Reddy | 6-3,6-3 |
| ITF M15 Monastir | 2021/08/25 09:00 | Dane Sweeny v Alan F R Fierros | 6-4,6-3 |