Stadium: Court 3 Round: 44 Ground: Clay
| ITF M15 Ulcinj | 2021/08/30 07:30 | Aristotelis Thanos v Danilo Raicevic | 6-2,6-1 |
| ITF M25 Poznan | 2021/08/25 13:10 | Aristotelis Thanos v Martins Podzus | 2-6,3-6 |
| ITF M25 Poznan | 2021/08/24 13:10 | Aristotelis Thanos v Valerio Aboian | 6-7,1-6 |
| ITF M25 Poznan | 2021/08/22 08:00 | Aristotelis Thanos v Peter Samosi | 6-1,6-2 |
| ITF M15 Lodz | 2021/08/18 11:25 | Aristotelis Thanos v Gilbert S K Junior | 2-6,3-6 |
| ITF M15 Lodz | 2021/08/17 08:00 | Aristotelis Thanos v Thijmen Loof | 6-1,6-3 |
| 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 |
| ITF M15 Ulcinj | 2021/08/30 07:30 | Ivan Manasov v Aleksandar Tomas | 1-6,1-6 |
| ITF M15 Novi Sad | 2021/08/04 09:45 | Aleksandar Tomas v Mariano Navone | 1-6,1-6 |
| ITF M15 Novi Sad | 2021/08/03 09:40 | Aleksandar Tomas v Drazen Petrovic | 6-7,6-0,10-8 |
| ITF M15 Novi Sad | 2021/08/02 09:30 | Aleksandar Tomas v Simon Habsuda | 6-1,6-0 |
| ITF M15 Novi Sad | 2021/08/01 09:30 | Frane Nincevic v Aleksandar Tomas | 6-4,3-6,6-10 |
| ITF M15 Novi Sad | 2021/07/26 10:30 | Aleksandar Tomas v Koray Kirci | 4-6,2-6 |
| ITF M25 Telfs | 2021/07/13 11:10 | Gonzalo Lama v Aleksandar Tomas | 6-3,6-1 |
| ITF M25 Belgrád | 2021/06/27 07:00 | Aleksandar Tomas v Petar Pjevcevic | 3-6,1-6 |