Estádio: Court 4 Round: 25 Ground: Clay
| ITF - M25 Guayaquil | 2021/08/01 14:00 | Sergio Luis H Ramirez v Farzin Danny Amiri | 6-7,2-6 |
| ITF - M25 Portoviejo | 2021/07/26 14:30 | Sergio Luis H Ramirez v Tristan McCormick | 6-7,7-6,4-10 |
| ITF - M25 São Domingos | 2021/06/09 16:55 | Jorge Panta v Sergio Luis H Ramirez | 6-2,6-1 |
| ITF - M25 São Domingos | 2021/06/08 14:00 | Alan Kohen v Sergio Luis H Ramirez | 2-6,6-2,7-10 |
| ITF - M25 São Domingos | 2021/06/07 18:00 | Lorenzo Ramon v Sergio Luis H Ramirez | 2-6,2-6 |
| ITF - M25 São Domingos | 2021/06/01 13:00 | Juan A H Serrano v Sergio Luis H Ramirez | 6-4,6-3 |
| ITF - M25 São Domingos | 2021/05/31 13:00 | Mark Mandlik v Sergio Luis H Ramirez | 6-4,5-7,6-10 |
| ITF - M25 São Domingos | 2021/05/30 15:30 | Jakub Novak v Sergio Luis H Ramirez | 4-6,2-6 |
| ITF - M15 Novi Sad | 2021/08/06 09:00 | Filip Misolic v Pedro Boscardin Dias | 6-3,6-1 |
| ITF - M15 Novi Sad | 2021/08/05 12:00 | Pedro Boscardin Dias v Bastian Malla | 2-6,6-3,6-3 |
| ITF - M15 Novi Sad | 2021/08/03 12:40 | Pedro Boscardin Dias v Duje Kekez | 7-6,6-3 |
| ITF - M15 Novi Sad | 2021/07/29 09:00 | Pedro Boscardin Dias v Peter Nagy | 6-7,7-5,2-6 |
| ITF - M15 Novi Sad | 2021/07/27 11:00 | Pedro Boscardin Dias v Stefan Popovic | 6-4,6-3 |
| ITF - M15 Bérgamo | 2021/06/24 08:00 | Riccardo Balzerani v Pedro Boscardin Dias | 7-6,6-4 |
| ITF - M15 Bérgamo | 2021/06/22 18:25 | Pedro Boscardin Dias v Wilson Leite | 6-3,4-6,6-4 |
| ITF - M15 Génova | 2021/06/17 08:00 | Johan Nikles v Pedro Boscardin Dias | 6-3,6-3 |