Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Sofia | 2021/07/05 07:00 | Stefanos Sakellaridis v Aristotelis Thanos | 2-6,6-7 |
| 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 M25 Telfs | 2021/07/12 09:30 | Samuel Paulovcak v Daniel Paty | 4-6,6-4,7-10 |
| ITF M25 Telfs | 2021/07/11 09:00 | David Tomic v Samuel Paulovcak | 5-7,4-6 |
| ITF M15 Bratislava | 2020/11/23 14:00 | Samuel Paulovcak v Luigi Castelletti | 4-6,4-6 |
| ITF Slovakia F3 | 2018/08/05 10:00 | Samuel Paulovcak v Roman Postolka | 6-3,6-1 |