Stadium: Court 14 Round: 54 Ground: Carpet indoor
| ITF M25 Most | 2021/05/25 08:00 | Petr Cervinka v Adan Freire Da Silva | 7-5,2-6,10-5 |
| ITF M25 Most | 2021/05/24 08:00 | Adan Freire Da Silva v Daniel Siniakov | 6-3,7-6 |
| ITF M15 Sibenik | 2021/05/17 09:20 | Sebastian Prechtel v Adan Freire Da Silva | 6-2,6-2 |
| ITF M15 Sibenik | 2021/05/16 07:30 | Adan Freire Da Silva v Luigi Castelletti | 4-6,6-4,10-3 |
| ITF M15 Poitiers | 2021/03/14 11:45 | Adan Freire Da Silva v Joffrey De Schepper | 6-7,6-7 |
| ITF M25 Vale Do Lobo | 2021/03/07 11:00 | Adan Freire Da Silva v Goncalo Falcao | 2-6,3-6 |
| ITF M25 Faro | 2021/02/28 10:00 | Adan Freire Da Silva v Francisco Cabral | 3-6,3-6 |
| ITF M15 Bressuire | 2021/01/17 08:30 | Valentin Lapalu v Adan Freire Da Silva | 6-3,6-1 |