Stadium: Court 2 Round: 25 Ground: Clay
| Italie F11, Qualifications Simples | 2018/05/21 14:00 | Cutuli, Domenico v Frinzi, Mattia | 7-5,4-6,1-6 |
| Italie F11, Qualifications Simples | 2018/05/20 07:30 | Frinzi, Mattia v Spinnato, Daniele | 7-6,6-3 |
| Italie F10, Qualifications Simples | 2018/05/15 08:30 | Della Tommasina, Davide v Frinzi, Mattia | 6-4,3-6,7-5 |
| ITF Poland F2 | 2018/05/07 08:00 | Federico Iannaccone v Frinzi, Mattia | 6-4,6-2 |
| ITF Poland F2 | 2018/05/06 07:30 | Frinzi, Mattia v Martinez, Alex | 2-6,6-2,6-4 |
| ITF Italy F9 | 2018/04/24 12:00 | Balzerani, Riccardo v Frinzi, Mattia | 3-6,6-3,6-4 |
| ITF Egypt F11 | 2018/03/24 11:00 | Frinzi, Mattia v Lechevretel, Louis | 0-6,6-4,6-4 |
| ITF Egypt F10 | 2018/03/18 08:00 | Ryan Nijboer v Frinzi, Mattia | 6-2,6-3 |
| Italie F10, Qualifications Simples | 2018/05/15 15:30 | Rondoni, Pietro v Balzerani, Riccardo | 3-6,3-6 |
| Challenger Ostrava Qual | 2018/04/28 15:05 | Rondoni, Pietro v Marcora, Roberto | 4-6,1-6 |
| Turkey F14, Singles Qualifying | 2018/04/10 09:05 | Rudolf Molleker v Rondoni, Pietro | 4-6,7-6,6-2 |
| ITF Turkey F13 | 2018/04/04 07:00 | Rondoni, Pietro v Genaro Alberto Olivieri | 6-4,5-7,2-6 |
| Qatar F3, Singles | 2018/03/17 13:00 | Jay Clarke v Rondoni, Pietro | 6-1,7-5 |
| Qatar F3, Singles | 2018/03/15 11:30 | Rondoni, Pietro v El Midhawy, Adam | 2-6,7-6,6-2 |
| Qatar F3, Singles | 2018/03/14 13:55 | Rondoni, Pietro v Denis Yevseyev | 5-7,6-3,6-3 |
| Qatar F3, Singles | 2018/03/13 13:15 | Rondoni, Pietro v Ali Mutawa, Jabor Mohammed | 6-1,6-0 |