Stadium: Court 3 Round: 54 Ground: Clay
| ITF M25 Rio do Sul | 2021/10/17 15:00 | Amnon Felipe v Matheus T Rezende | 6-0,6-0 |
| ITF M15 Sao Paulo | 2019/10/14 14:00 | Igor Marcondes v Matheus T Rezende | 6-2,6-0 |
| ITF M25 Rio de Janeiro | 2019/10/07 14:00 | Matheus T Rezende v Igor Marcondes | 1-6,1-6 |
| ITF M15 Santiago | 2019/09/30 12:00 | Matheus T Rezende v Agustin Riquelme Coppari | 1-6,0-6 |
| ITF M15 Curitiba | 2019/06/25 13:00 | Enrique Bogo v Matheus T Rezende | 6-1,6-2 |
| ITF M15 Sao JDR Preto | 2019/06/18 12:30 | Igor Gimenez v Matheus T Rezende | 6-2,6-1 |
| ITF Brazil F7 | 2018/10/28 12:30 | Matheus T Rezende v Mateus Alves | 0-6,4-6 |
| ITF Brazil F6 | 2018/10/22 13:00 | Igor Gimenez v Matheus T Rezende | 6-3,6-1 |
| ITF M15 Ibague | 2021/09/06 20:45 | Eduardo Lacalle v Juan Sebastian Osorio | 4-6,7-5,7-10 |
| ITF M15 Monastir | 2021/08/29 08:00 | Eduardo Lacalle v Michael Zhu | 6-1,6-2 |
| ITF M15 Monastir | 2021/08/23 09:00 | Eduardo Lacalle v Chanchai Sookton-Eng | 2-6,1-6 |
| ITF M15 Monastir | 2021/08/22 11:00 | Seif Adas v Eduardo Lacalle | 3-6,7-5,8-10 |
| ITF M25 Guayaquil | 2021/08/04 14:30 | Eduardo Lacalle v Maxime Mora | 3-6,0-6 |
| ITF M25 Guayaquil | 2021/08/02 18:30 | Eduardo Lacalle v Juan Diego Rojas Mora | 6-3,6-3 |
| ITF M25 Guayaquil | 2021/08/02 14:00 | Andres Urrea v Eduardo Lacalle | 4-6,7-5,7-10 |
| ITF M25 Guayaquil | 2021/08/01 14:00 | Eduardo Lacalle v Jorge Ruiz | 7-5,6-4 |