Stadium: Cancha 2 Round: 25 Ground: Clay
| Challenger Santiago Qual | 2018/03/05 14:00 | Joao Souza v Pedro Cachin | 5-7,6-7 |
| Challenger Santiago Qual | 2018/03/04 15:50 | Joao Souza v Victor Nunez | 6-2,6-1 |
| Challenger Santiago Qual | 2018/03/03 17:40 | Joao Souza v Martin Cuevas | 6-3,2-6,6-4 |
| ATP Rio De Janeiro Qual | 2018/02/17 20:45 | Carlos Berlocq v Joao Souza | 6-1,7-5 |
| ATP Buenos Aires Qual | 2018/02/10 14:00 | Joao Souza v Gastao Elias | 6-4,3-6,0-6 |
| ATP Quito Qual | 2018/02/04 18:45 | Facundo Bagnis v Joao Souza | 6-3,6-4 |
| ATP Quito Qual | 2018/02/03 20:32 | Jan Hernych v Joao Souza | 3-6,3-5 |
| ATP Quito Qual | 2018/02/03 19:55 | Jan Hernych v Joao Souza | 3-6,3-6 |
| Challenger Santiago Qual | 2018/03/05 14:00 | Carlos Gomez-Herrera v Juan Ignacio Londero | 6-2,6-4 |
| Challenger Santiago Qual | 2018/03/04 14:00 | Hugo Dellien v Carlos Gomez-Herrera | 1-6,5-7 |
| Challenger Santiago Qual | 2018/03/03 14:25 | Christian Lindell v Carlos Gomez-Herrera | 3-6,6-4,2-6 |
| Challenger Punta del Este | 2018/02/27 16:30 | Gian Marco Moroni v Carlos Gomez-Herrera | 7-6,6-4 |
| Challenger Punta Del Este Qual | 2018/02/26 14:30 | Carlos Gomez-Herrera v Matias Franco Descotte | 6-1,6-4 |
| Challenger Punta Del Este Qual | 2018/02/25 14:00 | Carlos Gomez-Herrera v Maximiliano Estevez | 6-4,6-2 |
| ITF Greece F10 | 2017/11/23 12:20 | Carlos Gomez-Herrera v Lucas Gomez | 6-3,6-4 |
| ITF Greece F10 | 2017/11/22 10:40 | Carlos Gomez-Herrera v Michalis Sakellaridis | 6-1,6-2 |