Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Monastir | 2020/09/27 09:30 | Thijmen Loof v Aristotelis Thanos | 6-7,6-4,5-10 |
| ITF M15 Lodz | 2021/08/16 09:30 | Aristotelis Thanos v Dmitrii Vasilev | 7-6,6-0 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/13 09:00 | Aristotelis Thanos v Iliyan Radulov | 4-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/12 07:30 | Dian Nedev v Aristotelis Thanos | 6-4,5-4 |
| ITF M15 Sofia | 2021/07/07 08:50 | Quentin Folliot v Aristotelis Thanos | 6-3,6-3 |
| ITF M15 Sofia | 2021/07/05 12:00 | Mattia Frinzi v Aristotelis Thanos | 7-5,2-6,7-10 |
| ITF M15 Sofia | 2021/07/05 07:00 | Stefanos Sakellaridis v Aristotelis Thanos | 2-6,6-7 |
| 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 Lodz | 2021/08/16 09:30 | Thijmen Loof v Adam Bronka | 6-2,6-4 |
| ITF M15 Lodz | 2021/08/15 11:00 | Michal Wozniak v Thijmen Loof | 1-6,5-7 |
| ITF M15 Xativa | 2021/08/01 07:00 | Thijmen Loof v Mario Mansilla Diez | 2-6,2-6 |
| ITF M15 Antalya | 2021/06/22 09:10 | Marco Furlanetto v Thijmen Loof | 3-6,6-4,3-10 |
| ITF M15 Antalya | 2021/06/21 07:00 | Thijmen Loof v Michal Mikula | 6-2,6-1 |
| ITF M15 Antalya | 2021/06/20 07:00 | Hamza Ben Yaacoub v Thijmen Loof | 3-6,0-6 |
| ITF M15 Antalya | 2021/03/29 07:00 | Thijmen Loof v Luca Tomasetto | 4-6,2-6 |
| ITF M15 Antalya | 2021/03/21 07:00 | Thijmen Loof v Edoardo Lavagno | 3-6,4-6 |