Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Torello | 2021/11/02 09:00 | Stefanos Sakellaridis v Constantinos Koshis | 1-6,6-4,10-8 |
| ITF M15 Torello | 2021/10/31 11:00 | Stefanos Sakellaridis v Sandro Szic | 6-1,6-3 |
| ITF M15 Madrid | 2021/10/28 09:30 | Lucas Bouquet v Stefanos Sakellaridis | 6-4,6-2 |
| ITF M15 Madrid | 2021/10/27 08:00 | Jaime Caldes v Stefanos Sakellaridis | 3-6,1-6 |
| ITF M25 Madrid | 2021/10/26 08:00 | Stefan Micov v Stefanos Sakellaridis | 4-6,6-7 |
| ITF M15 Girona | 2021/10/17 13:00 | Stefanos Sakellaridis v Giuseppe Tresca | 6-2,1-6,7-10 |
| UTR Pro Tennis Series Zadar | 2021/10/03 08:00 | Stefanos Sakellaridis v Mile Matic | 5-7,4-5 |
| UTR Pro Tennis Series Zadar | 2021/10/02 11:30 | Stefanos Sakellaridis v Myroslav Bondar | 6-2,5-0 |
| ITF M15 Torello | 2021/11/02 09:00 | Marc Othman Ktiri v Jay Friend | 6-2,6-2 |
| ITF M15 Torello | 2021/10/31 13:30 | Marc Othman Ktiri v Areg Stepanian | 6-2,7-5 |
| ITF M15 Platja D'Aro | 2021/10/12 08:30 | Guy Den Heijer v Marc Othman Ktiri | 6-4,6-2 |
| ITF M15 Platja D'Aro | 2021/10/11 08:30 | Marc Othman Ktiri v Jaime Caldes | 6-4,6-1 |
| ITF M15 Platja D'Aro | 2021/10/10 11:00 | Egill Sigurdsson v Marc Othman Ktiri | 0-6,0-6 |
| ITF M15 Platja D'Aro | 2021/10/05 08:30 | Marc Othman Ktiri v Maik Steiner | 6-4,4-6,7-10 |
| ITF M15 Platja D'Aro | 2021/10/04 11:00 | Franco Emanuel Egea v Marc Othman Ktiri | 6-2,4-6,10-12 |
| ITF M15 Platja D'Aro | 2021/10/03 12:00 | Nacho Serra Sanchez v Marc Othman Ktiri | 2-6,3-6 |