Stadium: Stadium Court Round: 28 Ground: Hardcourt outdoor
| ITF M15 - Recife | 2021/09/24 15:25 | Eduardo Ribeiro v Nicolas Zanellato | 6-4,6-7,6-3 |
| ITF M15 - Recife | 2021/09/23 16:30 | Eduardo Ribeiro v Asdrubal Gobernate | 6-4,6-4 |
| ITF M15 - Recife | 2021/09/22 19:30 | Joao Lucas Reis da Silva v Eduardo Ribeiro | 1-6,7-5,4-6 |
| ITF - M15 Antalya | 2021/05/16 07:00 | Eduardo Ribeiro v Arvid Nordquist | 1-6,0-6 |
| ITF - M15 Antalya | 2021/05/11 07:00 | Edoardo Eremin v Eduardo Ribeiro | 6-4,7-5 |
| ITF - M15 Antalya | 2021/05/10 07:00 | Eduardo Ribeiro v Ignacio Carou | 3-6,7-5,10-4 |
| ITF - M15 Antalya | 2021/05/09 07:00 | Credit Chaiyarin v Eduardo Ribeiro | 2-6,2-6 |
| ITF M15 - Caïro | 2021/05/04 08:00 | Simon A Ivanov v Eduardo Ribeiro | 4-6,6-3,10-7 |
| ITF M15 - Recife | 2021/09/24 16:55 | Daniel Dutra Da Silva v Gustavo Heide | 4-6,4-6 |
| ITF M15 - Recife | 2021/09/23 13:30 | Joao M Nusdeo v Gustavo Heide | 1-6,0-6 |
| ITF M15 - Recife | 2021/09/21 17:10 | Natan Rodrigues v Gustavo Heide | 1-6,3-6 |
| ITF M25 - Medellín | 2021/09/15 16:35 | Pedro Boscardin Dias v Gustavo Heide | 6-3,3-6,6-3 |
| ITF M15 - Ibagué | 2021/09/12 15:00 | Gustavo Heide v Alejandro Gomez | 7-6,7-5 |
| ITF M15 - Ibagué | 2021/09/11 16:30 | Gustavo Heide v Juan Sebastian Gomez | 6-4,6-4 |
| ITF M15 - Ibagué | 2021/09/10 17:00 | Blu Baker v Gustavo Heide | 6-7,3-6 |
| ITF M15 - Ibagué | 2021/09/09 16:10 | Pedro Boscardin Dias v Gustavo Heide | 1-6,1-6 |