Stadium: Center Court Round: 26 Ground: Clay
| ITF Italy F21 | 2018/07/31 11:15 | Giovanni Fonio v Federico Iannaccone | 6-3,6-0 |
| ITF Italy F20 | 2018/07/25 09:30 | Giovanni Fonio v Christian Lindell | 2-6,2-6 |
| ITF Italy F20 | 2018/07/24 08:00 | Edoardo Lavagno v Giovanni Fonio | 3-6,4-6 |
| Challenger San Benedetto Qual | 2018/07/16 09:00 | Giovanni Fonio v Andrea Vavassori | 6-3,3-6,4-6 |
| Challenger San Benedetto Qual | 2018/07/15 08:00 | Gonzalo Villanueva v Giovanni Fonio | 4-6,4-6 |
| Challenger San Benedetto Qual | 2018/07/14 08:00 | Giovanni Fonio v Cristian Valentini | 6-0,6-0 |
| Challenger Perugia Qual | 2018/07/08 10:25 | Giovanni Fonio v Oriol Roca Batalla | 2-6,3-6 |
| ITF Italy F17 | 2018/07/05 14:30 | Mircea-Alexandru Jecan v Giovanni Fonio | 7-5,7-6 |
| ITF Italy F21 | 2018/07/31 12:15 | Genaro Alberto Olivieri v Joao Souza | 6-7,1-6 |
| Challenger Tampere | 2018/07/24 10:00 | Kimmer Coppejans v Joao Souza | 6-3,6-4 |
| ITF Germany F8 | 2018/07/22 11:00 | Orlando Luz v Joao Souza | 6-4,4-6,6-3 |
| ITF Germany F8 | 2018/07/21 11:00 | Joao Souza v Manuel Pena Lopez | 3-6,6-3,7-6 |
| 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 |