Estadio: Court 13 Round: 28 Ground: Clay
| ITF M15 Brasilia | 2021/11/07 12:30 | Gustavo Heide v Oscar Jose Gutierrez | 2-6,6-0,6-4 |
| ITF M25 Aparecida De Goiania | 2021/11/12 14:25 | Leonardo Aboian v Oscar Jose Gutierrez | 5-7,2-6 |
| ITF M25 Aparecida De Goiania | 2021/11/11 19:40 | Caio Gruber v Oscar Jose Gutierrez | 1-6,3-6 |
| ITF M25 Aparecida De Goiania | 2021/11/10 15:00 | Enrique Bogo v Oscar Jose Gutierrez | 5-7,2-6 |
| ITF M15 Brasilia | 2021/11/07 12:30 | Gustavo Heide v Oscar Jose Gutierrez | 2-6,6-0,6-4 |
| ITF M15 Brasilia | 2021/11/04 13:00 | Dali Blanch v Oscar Jose Gutierrez | 3-6,4-6 |
| ITF M15 Brasilia | 2021/11/03 15:50 | Joao Eduardo Schiessl v Oscar Jose Gutierrez | 3-6,5-7 |
| ITF M25 Rio do Sul | 2021/10/21 16:10 | Nicolas Zanellato v Oscar Jose Gutierrez | 6-7,6-1,6-1 |
| ITF M25 Rio do Sul | 2021/10/20 16:40 | Amnon Felipe v Oscar Jose Gutierrez | 0-6,4-6 |
| ITF M25 Aparecida De Goiania | 2021/11/12 16:30 | Mateus Alves v Gustavo Heide | 6-7,1-6 |
| ITF M25 Aparecida De Goiania | 2021/11/11 16:25 | Conner Huertas Del Pino v Gustavo Heide | 6-7,1-6 |
| ITF M25 Aparecida De Goiania | 2021/11/10 13:20 | Gustavo Heide v Wilson Leite | 6-0,6-2 |
| ITF M15 Brasilia | 2021/11/07 12:30 | Gustavo Heide v Oscar Jose Gutierrez | 2-6,6-0,6-4 |
| ITF M15 Brasilia | 2021/11/06 14:00 | Marcelo Zormann v Gustavo Heide | 2-6,4-6 |
| ITF M15 Brasilia | 2021/11/05 15:25 | Eduardo Ribeiro v Gustavo Heide | 3-6,4-6 |
| ITF M15 Brasilia | 2021/11/04 21:50 | Franco Roncadelli v Gustavo Heide | 5-7,2-6 |
| ITF M15 Brasilia | 2021/11/03 20:55 | Luis Felipe Miguel v Gustavo Heide | 3-6,3-6 |