Stadium: Court M Round: 28 Ground: Clay
| ITF Germany F8 | 2018/07/20 13:00 | Felipe Meligeni Rodrigues Alves v Joao Souza | 4-6,4-6 |
| ITF Germany F8 | 2018/07/19 11:35 | Alejo Vilaro v Joao Souza | 6-4,1-6,4-6 |
| ITF Germany F8 | 2018/07/18 11:00 | David Vega Hernandez v Joao Souza | 3-6,5-7 |
| ITF Germany F8 Qual | 2018/07/16 09:30 | Joao Souza v Leon Hoeveler | 6-1,6-0 |
| ITF Germany F8 Qual | 2018/07/15 12:00 | Joao Souza v Tillmann Erdbories | 4-6,6-1,7-5 |
| Challenger Braunschweig Qual | 2018/07/07 12:05 | Joao Souza v Marvin Netuschil | 2-6,6-2,3-6 |
| Challenger Milan Qual | 2018/06/24 13:10 | Jordi Samper-Montana v Joao Souza | 6-0,6-3 |
| Challenger Milan Qual | 2018/06/23 13:35 | Pasquale De Giorgio v Joao Souza | 4-6,2-6 |
| ITF Germany F8 | 2018/07/20 11:00 | Manuel Pena Lopez v Christopher Heyman | 6-4,6-2 |
| ITF Germany F8 | 2018/07/19 09:30 | Elmar Ejupovic v Manuel Pena Lopez | 3-6,2-6 |
| ITF Germany F8 | 2018/07/18 10:50 | Vadym Ursu v Manuel Pena Lopez | 1-6,5-7 |
| ITF Austria F1 | 2018/07/05 09:05 | Manuel Pena Lopez v Bruno Santanna | 2-6,1-6 |
| ITF Austria F1 | 2018/07/04 10:00 | Manuel Pena Lopez v Gabriel Schmidt | 6-4,6-3 |
| ITF Austria F1 | 2018/07/03 08:00 | Manuel Pena Lopez v Calin Manda | 6-4,6-4 |
| ITF Tunisia F25 | 2018/06/29 08:30 | Johan Nikles v Manuel Pena Lopez | 3-6,6-1,6-3 |
| ITF Tunisia F25 | 2018/06/28 11:05 | Brian Bencic v Manuel Pena Lopez | 0-6,0-6 |