Stadium: Quadra Joao Lima Round: 54 Ground: Clay
| Challenger Campinas Qual | 2018/09/30 14:55 | Fabricio Neis v Fernando Yamacita | 7-5,6-4 |
| Challenger Campinas Qual | 2018/09/29 14:15 | Orlando Luz v Fabricio Neis | 6-3,5-7,2-6 |
| Challenger Biella - Kval | 2018/09/16 14:00 | Tomas Barrios Vera v Fabricio Neis | 7-5,6-0 |
| Challenger Biella - Kval | 2018/09/15 14:40 | Sebastiano M Zorzi v Fabricio Neis | 2-6,2-6 |
| Challenger Lisbon Qual | 2018/05/13 13:10 | Fabricio Neis v Jan Satral | 7-6,3-6,1-6 |
| Challenger Rio De Janeiro | 2017/11/22 16:45 | Fabricio Neis v Christian Oliveira | 6-2,2-6,6-3 |
| Challenger Rio De Janeiro Qual | 2017/11/19 13:00 | Peter Nagy v Fabricio Neis | 6-3,6-7,6-7 |
| Challenger Santiago 2 Qual | 2017/11/11 18:00 | Dimitar Kuzmanov v Fabricio Neis | 7-6,7-5 |
| Challenger Campinas | 2018/09/30 16:15 | Franco Agamenone v Joao Souza | 4-6,2-6 |
| Challenger Campinas Qual | 2018/09/29 13:00 | Joao M Nusdeo v Joao Souza | 2-6,0-6 |
| Challenger Tiburon | 2018/09/22 21:55 | Joao Souza v Jenson Brooksby | 5-7,1-6 |
| Challenger Szczecin | 2018/09/08 09:00 | Joao Souza v Andres Molteni | 6-3,5-7,6-7 |
| Challenger Genova | 2018/09/03 12:00 | Joao Souza v Andrea Pellegrino | 6-0,3-6,4-6 |
| Challenger Genova | 2018/09/03 08:00 | Joao Souza v Mate Delic | 6-2,7-5 |
| Challenger Genova | 2018/09/02 13:05 | Gianluca Mager v Joao Souza | 4-6,4-6 |
| ITF Italy F22 | 2018/08/10 12:40 | Pietro Rondoni v Joao Souza | 6-3,6-7,6-1 |