Stadium: Court 3 Round: 26 Ground: Clay
| ITF M15 Recife | 2021/09/22 14:10 | Joao Eduardo Schiessl v Ignacio Carou | 0-6,6-2,7-6 |
| ITF M25 Rio do Sul | 2021/10/19 13:00 | Matheus C Bueres v Ignacio Carou | 0-6,1-6 |
| ITF M15 Recife | 2021/09/22 14:10 | Joao Eduardo Schiessl v Ignacio Carou | 0-6,6-2,7-6 |
| Davis Cup | 2021/09/19 14:10 | Ignacio Carou v Robin Haase | 3-6,2-6 |
| ITF M15 Ulcinj | 2021/09/04 09:00 | Ignacio Carou v Juan Pablo Paz | 1-6,4-6 |
| ITF M15 Ulcinj | 2021/09/03 08:55 | Gabriel Donev v Ignacio Carou | 4-6,3-6 |
| ITF M15 Ulcinj | 2021/09/02 10:10 | Ignacio Carou v Vasil Kirkov | 3-6,6-1,6-4 |
| ITF M15 Ulcinj | 2021/08/31 08:00 | Ignacio Carou v Aziz Kijametovic | 6-3,6-4 |
| ITF M15 Bad Waltersdorf | 2021/08/23 07:00 | Ignacio Carou v Lorenzo Vatteroni | 6-2,1-6,5-10 |
| ITF M25 Rio do Sul | 2021/10/19 14:55 | Joao Eduardo Schiessl v Mateus Alves | 6-4,3-6,7-6 |
| ITF M15 Recife | 2021/09/23 13:30 | Nicolas Zanellato v Joao Eduardo Schiessl | 7-5,6-0 |
| ITF M15 Recife | 2021/09/22 14:10 | Joao Eduardo Schiessl v Ignacio Carou | 0-6,6-2,7-6 |
| ITF M25 Medellin | 2021/09/12 15:00 | Pedro Sakamoto v Joao Eduardo Schiessl | 6-2,6-1 |
| ITF M15 Ibague | 2021/09/05 15:00 | Joao Eduardo Schiessl v Juan Sebastian Osorio | 4-6,6-2,4-10 |