Stadium: Centre Court Round: 25 Ground: Clay
| ITF - M25 Rio do Sul | 2021/10/20 16:00 | Joao Victor C Loureiro v Daniel Dutra Da Silva | 1-6,0-6 |
| ITF - M15 Cancun | 2021/10/04 16:30 | Joao Victor C Loureiro v Emil Reinberg | 7-6,4-6,6-10 |
| ITF - M15 Cancun | 2021/09/29 17:55 | Joshua Sheehy v Joao Victor C Loureiro | 7-6,4-6,6-4 |
| ITF - M15 Cancun | 2021/09/22 21:00 | Miles Jones v Joao Victor C Loureiro | 6-3,6-0 |
| ITF - M15 Kouvola | 2021/05/27 12:25 | Joao Victor C Loureiro v Zsombor Velcz | 2-6,6-4,2-6 |
| ITF - M15 Kouvola | 2021/05/26 13:30 | Jonas Maier v Joao Victor C Loureiro | 4-6,3-6 |
| ITF - M15 Heraklion | 2021/05/20 12:10 | Alexandros Skorilas v Joao Victor C Loureiro | 6-0,7-5 |
| ITF - M15 Heraklion | 2021/05/19 11:00 | Wishaya Trongcharoenchaikul v Joao Victor C Loureiro | 3-6,6-3,6-7 |
| ITF - M15 Cancun | 2021/10/21 17:35 | Dali Blanch v Gerardo L Villasenor | 5-7,2-6 |
| ITF - M15 Cancun | 2021/10/20 20:00 | Benjamin L Ambrosio v Dali Blanch | 4-6,4-6 |
| ITF - M15 Cancun | 2021/10/14 14:00 | Matias Franco Descotte v Dali Blanch | 6-1,6-4 |
| ITF - M15 Cancun | 2021/10/12 15:30 | Wishaya Trongcharoenchaikul v Dali Blanch | 4-6,3-6 |
| ITF - M15 Cancun | 2021/10/07 15:00 | Alfredo Perez v Dali Blanch | 6-3,7-6 |
| ITF - M15 Cancun | 2021/10/06 14:00 | Dali Blanch v Strong Kirchheimer | 6-3,3-6,7-6 |
| ITF - M15 Cancun | 2021/09/28 17:00 | Dali Blanch v Victor Lilov | 3-6,1-6 |
| ITF - M15 Cancun | 2021/09/22 21:05 | Dali Blanch v Gerardo L Villasenor | 6-7,3-6 |