Round: 27 Ground: Clay
| Challenger Campinas | 2017/10/05 21:30 | Daniel Munoz-De La Nava v Joao Souza | 7-6,4-6,6-4 |
| Challenger Campinas | 2017/10/03 22:35 | Gonzalo Lama v Joao Souza | 4-6,3-6 |
| Challenger Bogota | 2017/09/07 15:00 | Juan Ignacio Londero v Joao Souza | 6-4,6-1 |
| Challenger Bogota | 2017/09/06 15:00 | Alejandro Mendoza v Joao Souza | 2-6,1-6 |
| Challenger Floridablanca | 2017/08/11 17:00 | Joao Souza v Gastao Elias | 1-6,3-6 |
| Challenger Floridablanca | 2017/08/09 18:00 | Joao Souza v Oscar Jose Gutierrez | 6-3,6-1 |
| Challenger Floridablanca | 2017/08/08 22:00 | Joao Souza v Emilio Gomez | 5-7,7-6,6-0 |
| Challenger Biella | 2017/08/05 09:30 | Filip Krajinovic v Joao Souza | 6-4,7-6 |
| ITF Tunisia F29 | 2017/10/07 13:10 | Rafael Matos v Zizou Bergs | 7-6,4-6,8-10 |
| ITF Tunisia F29 | 2017/10/06 15:05 | Tomislav Jotovski v Rafael Matos | 2-6,4-6 |
| ITF Spain F27 | 2017/08/28 09:40 | Eduard Esteve Lobato v Rafael Matos | 7-5,6-4 |
| ITF Spain F26 | 2017/08/24 11:00 | Rafael Matos v Marc Giner | 6-7,0-6 |
| ITF Spain F26 | 2017/08/23 10:30 | Juan Lizariturry v Rafael Matos | 1-6,5-7 |
| ITF Spain F26 | 2017/08/22 13:00 | Rafael Matos v Mikhail Korovin | 7-5,6-1 |
| ITF Spain F25 | 2017/08/19 10:00 | Marc Giner v Rafael Matos | 6-2,4-6,7-6 |
| ITF Spain F25 | 2017/08/18 12:00 | Jaume Pla Malfeito v Rafael Matos | 3-6,4-6 |