Stadium: Court 1 Round: 25 Ground: Clay
| ITF Brazil F4 Qual | 2018/05/14 15:30 | Gabriel Ciro Da Silva v Diego Matos | 6-3,6-2 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Ighor Halmenschlager Reis v Diego Matos | 2-6,2-6 |
| ITF Brazil F3 | 2018/05/08 13:00 | Pedro Sakamoto v Diego Matos | 6-0,6-2 |
| ITF Brazil F3 | 2018/05/07 12:30 | Aaron Schmid v Diego Matos | 7-6,4-6,4-6 |
| ITF Brazil F3 | 2018/05/06 12:30 | Francisco Llanes v Diego Matos | 1-6,4-6 |
| ITF Nigeria F3 | 2018/04/30 09:00 | Arjun Kadhe v Diego Matos | 6-0,7-6 |
| ITF Nigeria F2 | 2018/04/24 09:00 | Diego Matos v Stephan Gerritsen | 6-3,3-6,4-6 |
| ITF Nigeria F1 | 2018/04/17 12:00 | Danylo Kalenichenko v Diego Matos | 3-6,6-3,6-3 |
| ITF Spain F28 | 2017/09/06 11:15 | Jay Clarke v Roberto Menendez Ferre | 6-4,6-2 |
| ITF Spain F28 | 2017/09/04 10:00 | Ramon Del Olmo Diaz v Roberto Menendez Ferre | 5-7,6-7 |