Stadium: Court 8 Round: 62 Ground: Clay
| Pirot, Singles M-ITF-SRB-05A | 2021/09/22 08:00 | Kocevar-Desman, Tom v Aristotelis Thanos | 7-6,6-1 |
| ITF M15 Ulcinj | 2021/09/02 08:30 | March, Antonio Cayetano v Aristotelis Thanos | 7-6,6-4 |
| ITF M15 Ulcinj | 2021/09/01 10:00 | Aristotelis Thanos v Kekez, Duje | 2-6,7-6,6-0 |
| ITF M15 Ulcinj | 2021/08/30 11:30 | Aristotelis Thanos v Tomas, Aleksandar | 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 Podzus, Martins | 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 Samosi, Peter | 6-1,6-2 |
| ITF M25 Skopje | 2021/09/26 08:30 | Muedini, Martin v Manasov, Ivan | 0-6,1-6 |
| ITF M15 Ulcinj | 2021/09/05 07:30 | Leonardo Catani v Manasov, Ivan | 6-2,6-3 |
| ITF M15 Ulcinj | 2021/08/30 07:30 | Manasov, Ivan v Tomas, Aleksandar | 1-6,1-6 |
| ITF M15 Ulcinj | 2021/08/29 11:30 | Kalinin, Aleksandr v Manasov, Ivan | 6-7,3-6 |
| ITF M15 Skopje | 2021/05/31 11:00 | Torski, Osman v Manasov, Ivan | 6-2,6-2 |
| ITF M15 Skopje | 2021/05/30 08:00 | Manasov, Ivan v Pisane, Tom | 5-7,7-5,10-4 |