Stadium: Court 4 Round: 44 Ground: Clay
| ITF M15 Opatija | 2021/03/22 13:15 | Stefan Loncar v Mattia Frinzi | 3-6,6-7 |
| ITF M15 Opatija | 2021/03/21 08:00 | Milan Radojkovic v Mattia Frinzi | 0-6,1-6 |
| ITF M15 Rovinj | 2021/03/14 08:30 | Josip Krstanovic v Mattia Frinzi | 6-2,7-6 |
| ITF M15 Porec | 2021/03/09 09:00 | Gergely Madarasz v Mattia Frinzi | 7-5,6-3 |
| ITF M15 Porec | 2021/03/07 11:00 | Roko Horvat v Mattia Frinzi | 1-6,1-6 |
| ITF M25 Trento | 2020/02/26 12:50 | Mattia Frinzi v Mick Veldheer | 1-6,4-6 |
| ITF M25 Trento | 2020/02/24 11:20 | Mattia Frinzi v Maris Sipkovs | 6-0,6-0 |
| ITF M15 Monastir | 2019/11/30 09:00 | Mattia Frinzi v Jan Satral | 6-7,3-6 |
| ITF M15 Rovinj | 2021/03/14 08:30 | Milan Welte v Tommaso Compagnucci | 6-3,6-1 |
| ITF M15 Porec | 2021/03/07 13:00 | Tommaso Compagnucci v Ignacio Carou | 7-6,4-6,7-10 |
| ITF M25 Trento | 2020/02/26 16:50 | Tommaso Compagnucci v Nerman Fatic | 3-6,2-6 |
| ITF M25 Trento | 2020/02/25 08:00 | Sandro Kopp v Tommaso Compagnucci | 4-6,2-6 |
| ITF M25 Trento | 2020/02/24 09:00 | Tommaso Compagnucci v Stefan Micov | 7-6,6-3 |
| Challenger Recanati Qual | 2017/07/01 11:35 | Roman Safiullin v Tommaso Compagnucci | 6-3,7-6 |
| ITF Italy F36 Qual | 2016/10/29 07:30 | Paolo Dagnino v Tommaso Compagnucci | 3-6,6-3,6-4 |
| ITF Italy F35 Qual | 2016/10/22 08:00 | Tommaso Compagnucci v Gianluca Acquaroli | 0-6,3-6 |