Stadium: Court 3 Round: 26 Ground: Clay
| ITF M15 Novomoskovsk | 2021/05/26 06:15 | Danylo Kalenichenko v Fermin Tenti | 4-6,2-6 |
| ITF M15 Antalya | 2021/05/19 07:25 | Lucas Gerch v Fermin Tenti | 6-3,6-4 |
| ITF M15 Antalya | 2021/05/11 10:10 | Leo Borg v Fermin Tenti | 7-6,6-0 |
| Challenger – Marbella | 2021/03/28 12:15 | Fermin Tenti v Nick Chappell | 0-6,0-6 |
| ITF M15 Opatija | 2021/03/24 10:30 | Alex Rybakov v Fermin Tenti | 7-6,6-2 |
| ITF M15 Rovinj | 2021/03/17 10:35 | Fermin Tenti v Andrea Basso | 1-6,1-6 |
| ITF M15 Porec | 2021/03/11 11:20 | Fermin Tenti v Alex Rybakov | 1-6,2-6 |
| ITF M15 Porec | 2021/03/09 12:50 | Ignacio Monzon v Fermin Tenti | 6-3,0-6,3-6 |
| ITF M15 Novomoskovsk | 2021/05/26 06:15 | Daniel Dutra Da Silva v Alex M Pujolras | 7-6,6-1 |
| ITF M25 Pensacola | 2021/05/19 20:15 | Patrick Kypson v Daniel Dutra Da Silva | 5-7,7-5,6-3 |
| ITF M25 Naples | 2021/02/24 14:55 | Alexander Ritschard v Daniel Dutra Da Silva | 6-3,6-3 |
| ITF M25 Naples | 2021/02/23 16:50 | Daniel Dutra Da Silva v Dragos Constantin Ignat | 6-3,6-4 |
| ITF M25 Naples | 2021/02/22 16:00 | Daniel Dutra Da Silva v Lucas Renard | 6-1,6-1 |
| ITF M25 Naples | 2021/02/18 14:50 | Corentin Denolly v Daniel Dutra Da Silva | 6-4,6-4 |
| ITF M25 Naples | 2021/02/17 15:00 | Daniel Dutra Da Silva v Christian Langmo | 6-0,6-4 |
| ITF M25 Naples | 2021/02/16 16:00 | Daniel Dutra Da Silva v Alexander Bernard | 7-6,6-1 |