Stadium: Court 6 Round: 44 Ground: Clay
| ITF M15 Antalya | 2021/05/02 06:00 | Stefanos Sakellaridis v Matthew Dellavedova | 1-6,5-7 |
| ITF M15 Antalya | 2021/04/25 07:00 | Maxence Beauge v Stefanos Sakellaridis | 6-1,6-1 |
| ITF M15 Antalya | 2021/04/12 09:00 | Mathys Erhard v Stefanos Sakellaridis | 6-3,7-5 |
| ITF M15 Antalya | 2021/04/11 07:00 | Gianmarco Amatiste v Stefanos Sakellaridis | 4-6,2-6 |
| ITF M15 Antalya | 2021/04/04 06:30 | Stefanos Sakellaridis v Seong-Gook Oh | 2-6,4-6 |
| ITF M15 Antalya | 2021/03/29 07:00 | Gabriel Donev v Stefanos Sakellaridis | 6-3,5-7,10-2 |
| ITF M15 Antalya | 2021/03/28 06:30 | Stefanos Sakellaridis v Suleyman Deniz Gursoy | 6-0,6-2 |
| ITF M15 Antalya | 2021/03/22 07:00 | Taiyo Yamanaka v Stefanos Sakellaridis | 7-5,6-0 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/10 13:30 | Alexander Lazov v Aristotelis Thanos | 6-4,5-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/09 12:30 | Aristotelis Thanos v Pierre Faivre | 6-2,6-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 08:30 | Aristotelis Thanos v Ilya Snitari | 2-6,7-6,4-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/06 11:30 | Aristotelis Thanos v Petr Nesterov | 7-5,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/05 10:00 | Thomas Laurent v Aristotelis Thanos | 6-3,6-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/03 07:00 | Aristotelis Thanos v Ilya Snitari | 5-7,0-0 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/02 10:00 | Aristotelis Thanos v Lucas Bouquet | 7-5,1-6,3-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/31 10:00 | Aristotelis Thanos v Plamen Milushev | 7-5,5-2 |