Stadium: Court 5 Round: 25 Ground: Clay
| ITF M25 Skopje | 2021/09/28 07:30 | Aristotelis Thanos v William Ma | 6-4,6-1 |
| ITF M25 Skopje | 2021/09/27 11:00 | Aristotelis Thanos v Ivan Manasov | 6-3,6-2 |
| ITF M15 Pirot | 2021/09/22 08:00 | Tom Kocevar-Desman v Aristotelis Thanos | 7-6,6-1 |
| ITF M15 Ulcinj | 2021/09/02 08:30 | Antonio Cayetano March v Aristotelis Thanos | 7-6,6-4 |
| ITF M15 Ulcinj | 2021/09/01 10:00 | Aristotelis Thanos v Duje Kekez | 2-6,7-6,6-0 |
| ITF M15 Ulcinj | 2021/08/30 11:30 | Aristotelis Thanos v Aleksandar Tomas | 5-7,2-6 |
| 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 M15 Pirot | 2021/09/24 12:05 | Gorazd Srbljak v Luka Pavlovic | 1-6,3-6 |
| ITF M15 Pirot | 2021/09/22 09:45 | Alexandar Balj v Gorazd Srbljak | 0-6,3-6 |
| ITF M15 Zlatibor | 2021/09/15 09:35 | Oleksandr Ovcharenko v Gorazd Srbljak | 6-4,4-6,6-2 |
| ITF M15 Ulcinj | 2021/09/08 11:00 | Gorazd Srbljak v Rrezart Cungu | 4-6,1-6 |
| ITF M15 Ulcinj | 2021/09/06 14:00 | Gorazd Srbljak v Pietro Marino | 6-2,6-1 |
| ITF M15 Ulcinj | 2021/09/06 07:30 | Gorazd Srbljak v Leonardo Catani | 6-0,6-7,10-1 |
| ITF M15 Ulcinj | 2021/09/02 08:30 | Gorazd Srbljak v Gabriel Donev | 1-6,6-7 |
| ITF M15 Ulcinj | 2021/08/31 08:00 | Oleksandr Ovcharenko v Gorazd Srbljak | 5-7,4-6 |