Stadium: Court 6 Round: 44 Ground: Clay
| ITF M15 Antalya | 2021/06/30 06:30 | Hanwen Li v Stefanos Sakellaridis | 6-1,6-2 |
| ITF M15 Antalya | 2021/06/29 11:50 | Daniil Glinka v Stefanos Sakellaridis | 3-6,2-6 |
| ITF M15 Antalya | 2021/06/28 11:55 | Stefanos Sakellaridis v Inigo G Olasagasti | 6-3,6-4 |
| ITF M15 Antalya | 2021/06/27 06:30 | Ivan Kazakov v Stefanos Sakellaridis | 1-6,4-6 |
| ITF M15 Antalya | 2021/06/20 07:00 | Ignacio Carou v Stefanos Sakellaridis | 6-4,6-3 |
| ITF M15 Antalya | 2021/06/13 07:30 | Nicolas Agustin Lema v Stefanos Sakellaridis | 6-2,4-6,10-6 |
| ITF M15 Antalya | 2021/06/09 08:40 | Francisco Comesana v Stefanos Sakellaridis | 6-3,6-1 |
| ITF M15 Antalya | 2021/06/08 11:55 | Stefanos Sakellaridis v Thiago Cigarran | 7-5,7-6 |
| ITF M15 Sofia | 2021/07/04 07:30 | Benjamin Niv v Aristotelis Thanos | 0-6,4-6 |
| ITF M15 Heraklion | 2021/06/10 07:30 | Alexis Musialek v Aristotelis Thanos | 6-4,6-1 |
| ITF M15 Heraklion | 2021/06/09 09:55 | Aristotelis Thanos v Kelsey Stevenson | 6-2,7-5 |
| ITF M15 Heraklion | 2021/06/01 08:00 | Aristotelis Thanos v Martin Breysach | 3-6,3-6 |
| ITF M15 Heraklion | 2021/05/25 06:30 | Aristotelis Thanos v Lorenzo Joaquin Rodriguez | 6-2,6-0 |
| ITF M15 Heraklion | 2021/05/23 10:00 | Aristotelis Thanos v Stephanos Schinas | 5-7,6-1,10-7 |
| ITF M15 Heraklion | 2021/05/20 06:30 | Yuta Shimizu v Aristotelis Thanos | 3-6,6-1,7-6 |
| ITF M15 Heraklion | 2021/05/19 06:30 | Christos Keisidis v Aristotelis Thanos | 2-6,2-6 |