Stadium: Court 4 Round: 27 Ground: Clay
| ITF M15 Madrid MD | 2021/10/26 12:00 | Sakellaridis/Sakellaridis v Lopez/Schubert | 5-7,6-4,10-7 |
| ITF M15 Girona MD | 2021/10/20 14:35 | Barrena/L-Montagud v Sakellaridis/Sakellaridis | 6-2,6-3 |
| ITF M15 Girona MD | 2021/10/19 14:35 | Neumann/Rudiukov v Sakellaridis/Sakellaridis | 3-6,4-6 |
| ITF M15 Platja D'Aro MD | 2021/10/12 13:35 | Sakellaridis/Sakellaridis v Babelis/Vasa | 4-6,1-6 |
| ITF M25 Pardubice MD | 2021/09/21 10:55 | Vanshelboim/Weis v Sakellaridis/Sakellaridis | 6-0,6-2 |
| ITF M15 Bad Waltersdorf MD | 2021/08/31 12:45 | Sakellaridis/Sakellaridis v Neumayer/Oberleitner | 0-6,1-6 |
| ITF M15 Warmbad-Villach MD | 2021/08/17 15:40 | Hajek/Horak v Sakellaridis/Sakellaridis | 7-5,6-3 |
| ITF M25 Kottingbrunn MD | 2021/07/20 12:20 | Karol/Pokorny v Sakellaridis/Sakellaridis | 6-3,7-6 |
| ITF M15 Madrid MD | 2021/10/26 12:05 | Caldes/Martinez Martinez v Metreveli/Toledo Bague | 6-1,2-6,6-10 |
| ITF M15 Girona MD | 2021/10/22 13:50 | Barrena/L-Montagud v Metreveli/Toledo Bague | 6-0,7-5 |
| ITF M15 Girona MD | 2021/10/21 13:05 | Metreveli/Toledo Bague v Egea/Tenti | 6-4,6-2 |