Stadium: Court 4 Round: 25 Ground: Clay
| ITF - M25 Santa Margherita | 2019/03/28 15:55 | Giovanni Fonio v Frunza, Nicolae | 6-1,6-2 |
| Challenger Recanati | 2019/07/01 13:30 | Giovanni Fonio v Zhizhen Zhang | 1-6,2-6 |
| ITF - M25 Toulouse | 2019/06/21 12:00 | Giovanni Fonio v Maxime Chazal | 2-6,2-6 |
| ITF - M25 Toulouse | 2019/06/20 14:35 | Arthur Reymond v Giovanni Fonio | 3-6,5-7 |
| ITF - M25 Toulouse | 2019/06/19 08:30 | Moreno, Federico v Giovanni Fonio | 6-3,2-6,2-6 |
| ITF M25 Bacau | 2019/05/29 10:40 | Rodriguez, Cristian v Giovanni Fonio | 6-7,7-6,6-2 |
| ITF - M15 Bucarest | 2019/05/26 08:00 | Alcaraz Ivorra, Albert v Giovanni Fonio | 3-6,6-4,6-1 |
| ITF - M15 Bucarest | 2019/05/25 08:00 | Thomas Fancutt v Giovanni Fonio | 4-6,3-6 |
| ITF - M15 Bucarest | 2019/05/24 07:00 | Apostol, Bogdan Ionut v Giovanni Fonio | 2-6,6-7 |
| Cuneo, Singles Qualifying M-ITF-ITA-12A | 2019/07/03 09:30 | Frinzi, Mattia v Frunza, Nicolae | 4-6,6-4,6-4 |
| Plovdiv, Singles Qualifying M-ITF-BUL-03A | 2019/06/04 11:00 | Vladyslav Orlov v Frunza, Nicolae | 7-6,6-3 |
| ITF M25 Bacau | 2019/05/30 07:00 | Pena Lopez, Manuel v Frunza, Nicolae | 7-6,3-6,6-3 |
| ITF M25 Bacau | 2019/05/28 14:10 | Frunza, Nicolae v Alafia Ayeni | 6-1,6-4 |
| ITF - M15 Bucarest | 2019/05/23 09:25 | Alcaraz Ivorra, Albert v Frunza, Nicolae | 6-4,6-3 |
| ITF - M15 Bucarest | 2019/05/22 09:25 | Borza, Bogdan v Frunza, Nicolae | 6-4,3-6,1-6 |
| ITF - M25 Santa Margherita | 2019/04/02 16:35 | Heyman, Christopher v Frunza, Nicolae | 7-6,4-6,6-4 |
| ITF - M25 Santa Margherita | 2019/03/28 15:55 | Giovanni Fonio v Frunza, Nicolae | 6-1,6-2 |