Estádio: Court 2 Round: 44 Ground: Clay
| ITF - M25 Poznan | 2021/08/22 08:00 | Aristotelis Thanos v Peter Samosi | 6-1,6-2 |
| ITF - M15 Łódź | 2021/08/18 11:25 | Aristotelis Thanos v Gilbert S K Junior | 2-6,3-6 |
| ITF - M15 Łódź | 2021/08/17 08:00 | Aristotelis Thanos v Thijmen Loof | 6-1,6-3 |
| ITF - M15 Łódź | 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 Sófia | 2021/07/07 08:50 | Quentin Folliot v Aristotelis Thanos | 6-3,6-3 |
| ITF - M15 Sófia | 2021/07/05 12:00 | Mattia Frinzi v Aristotelis Thanos | 7-5,2-6,7-10 |
| ITF - M25 Poznan | 2021/08/24 08:00 | Alan Bojarski v Valerio Aboian | 6-4,4-6,8-10 |
| ITF - M15 Łódź | 2021/08/19 08:00 | Igor Marcondes v Valerio Aboian | 6-3,6-1 |
| ITF - M15 Łódź | 2021/08/18 08:00 | Valerio Aboian v Michal Mikula | 6-4,6-3 |
| ITF - M15 Łódź | 2021/08/16 14:00 | Dominik Kellovsky v Valerio Aboian | 0-6,1-6 |
| ITF - M15 Łódź | 2021/08/16 09:30 | Omar Brigida v Valerio Aboian | 4-6,6-7 |
| ITF - M15 Gdynia | 2021/08/08 08:00 | Valerio Aboian v Daniel De Jonge | 5-7,6-7 |
| ITF - M15 Novi Sad | 2021/08/04 08:00 | Valerio Aboian v Charles Broom | 5-7,2-6 |
| ITF - M15 Novi Sad | 2021/08/03 10:10 | Aleksa Mardjonovic v Valerio Aboian | 2-6,7-5,10-12 |