Stadium: Campo Centrale Round: 46 Ground: Clay
| Challenger Caltanissetta Qual | 2018/06/09 12:05 | Joao Souza v Fausto Tabacco | 6-2,6-2 |
| Challenger Guadalajara | 2018/04/17 20:15 | Joao Souza v Gonzalo Escobar | 6-2,3-6,5-7 |
| Challenger Guadalajara Qual | 2018/04/16 17:00 | Alejandro Gonzalez v Joao Souza | 4-6,6-0,3-6 |
| Challenger Guadalajara Qual | 2018/04/15 17:40 | Lloyd Glasspool v Joao Souza | 6-3,6-7,6-7 |
| Challenger Guadalajara Qual | 2018/04/14 19:05 | Raul-Isaias Rosas-Zarur v Joao Souza | 2-6,0-6 |
| Challenger Mexico City | 2018/04/11 21:05 | Joao Souza v Adrian Menendez-Maceiras | 4-6,6-2,3-6 |
| Challenger Mexico City | 2018/04/10 17:00 | Joao Souza v Guilherme Clezar | 7-6,7-5 |
| Challenger San Luis Potosi | 2018/03/27 18:00 | Daniel Elahi Galan v Joao Souza | 6-7,7-6,7-5 |
| Challenger Caltanissetta Qual | 2018/06/09 14:25 | Alessio Siringo v Claudio Fortuna | 2-6,1-6 |
| ITF Ukraine F2 | 2018/05/17 07:05 | Claudio Fortuna v Jonas Merckx | 3-6,2-6 |
| ITF Ukraine F2 | 2018/05/16 12:00 | Giorgio Ricca v Claudio Fortuna | 6-3,1-6,1-6 |
| ITF Ukraine F2 | 2018/05/15 09:25 | Claudio Fortuna v Sagadat Ayap | 6-0,6-3 |
| ITF Ukraine F1 | 2018/05/10 09:10 | Alessandro Petrone v Claudio Fortuna | 6-7,6-3,6-1 |
| ITF Ukraine F1 | 2018/05/09 07:00 | Nikita Mashtakov v Claudio Fortuna | 4-6,6-2,5-7 |
| ITF Ukraine F1 | 2018/05/08 07:00 | Oleg Prihodko v Claudio Fortuna | 0-6,4-6 |
| ITF Tunisia F14 | 2018/04/11 09:00 | David Perez Sanz v Claudio Fortuna | 3-6,6-2,6-3 |