Stadium: Court 3 Round: 25 Ground: Clay
| ITF - M25 Santa Margherita | 2019/04/30 11:00 | Frinzi, Mattia v Kaelin, Yanik | 6-1,6-0 |
| ITF - M25 Santa Margherita | 2019/04/24 18:45 | Bega, Alessandro v Frinzi, Mattia | 6-3,6-4 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/04/02 09:50 | Hamou, Maxime v Frinzi, Mattia | 6-4,2-6,6-4 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/27 13:00 | Frinzi, Mattia v Moez Echargui | 3-6,6-1,2-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/25 14:00 | Edoardo Lavagno v Frinzi, Mattia | 6-4,4-6,7-10 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/25 08:00 | Borroni, Andrea v Frinzi, Mattia | 4-6,6-7 |
| ITF Italy F33 | 2018/10/24 15:05 | Frinzi, Mattia v Raul Brancaccio | 2-6,1-6 |
| ITF Italy F33 | 2018/10/23 12:00 | Fornell-Mestres, Marc v Frinzi, Mattia | 4-6,4-6 |
| ITF - M25 Santa Margherita | 2019/04/24 18:10 | Benjamin Pietri v Mircea-Alexandru Jecan | 3-6,2-6 |
| ITF - M25 Santa Margherita | 2019/04/23 12:00 | Benjamin Pietri v Gabriele Bosio | 6-3,6-2 |
| ITF - M25 Santa Margherita | 2019/04/17 15:40 | David Pichler v Benjamin Pietri | 6-7,6-3,6-4 |
| ITF - M25 Santa Margherita | 2019/04/16 12:00 | Benjamin Pietri v Federico Iannaccone | 2-6,7-5,11-9 |
| ITF - M25 Santa Margherita | 2019/04/15 12:00 | Benjamin Pietri v Salgado, Afonso | 6-2,6-4 |
| ITF - M25 Santa Margherita | 2019/04/09 12:00 | Benjamin Pietri v Tatomir, Luca Georg | 6-4,2-6,8-10 |
| ITF - M15 Opatija | 2019/03/28 12:30 | Mate Valkusz v Benjamin Pietri | 6-2,7-5 |
| ITF - M15 Opatija | 2019/03/26 13:20 | Benjamin Pietri v Krstev, Ondrej | 7-6,2-6,6-0 |