Stadium: Court 6 Round: 25 Ground: Clay
| ITF Serbia F1 | 2018/08/10 08:00 | Roncalli, Simone v Nagy, Peter | 6-3,6-0 |
| ITF - M25 Santa Margherita | 2019/04/02 12:00 | Nagy, Peter v Diarra, Gibril | 6-2,7-5 |
| ITF - M15 Opatija | 2019/03/26 14:40 | Mate Valkusz v Nagy, Peter | 6-4,6-1 |
| ITF - M15 Rovinj | 2019/03/22 09:00 | Schmitz, Constantin v Nagy, Peter | 0-6,6-2,6-0 |
| ITF - M15 Rovinj | 2019/03/21 09:00 | Nagy, Peter v Benjamin Hassan | 6-3,4-6,6-1 |
| ITF - M15 Rovinj | 2019/03/20 11:20 | Nagy, Peter v Ban, Ivan Karlo | 6-0,6-2 |
| ITF - M15 Porec | 2019/03/12 10:25 | Nik Razborsek v Nagy, Peter | 6-4,6-3 |
| ITF - M15 Antalya | 2019/02/27 12:40 | Nagy, Peter v Mircea-Alexandru Jecan | 7-6,1-6,2-6 |
| Challenger Budapest | 2019/02/04 19:05 | Marcora, Roberto v Nagy, Peter | 6-2,6-1 |
| ITF - M25 Santa Margherita | 2019/04/02 12:00 | Roncalli, Simone v Borsos, Gabor | 6-1,6-2 |
| ITF - M25 Santa Margherita | 2019/03/26 14:45 | Lorenzo Musetti v Roncalli, Simone | 6-2,6-1 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/19 08:30 | Roncalli, Simone v Nikolas Sanchez Izquierdo | 3-6,2-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/13 08:00 | Arthur Rinderknech v Roncalli, Simone | 6-4,6-4 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/07 09:00 | Roncalli, Simone v Diep, Florent | 3-6,6-3,3-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/03/06 12:25 | Safranek, Vaclav v Roncalli, Simone | 6-2,4-6,4-6 |
| ITF - M15 Antalya | 2019/01/16 10:50 | Roncalli, Simone v Antonio Massara | 6-1,3-6,2-6 |
| ITF Egypt F27 | 2018/11/15 08:00 | Moundir, Adam v Roncalli, Simone | 6-4,6-1 |