Estadio: Eden 2 Round: 62 Ground: Clay
| ITF M15 Porec | 2021/03/07 12:00 | Damien Wenger v Josip Krstanovic | 7-6,6-0 |
| ITF 15 Antalya | 2021/02/21 13:00 | Josip Krstanovic v Calin Manda | 2-6,3-6 |
| ITF 15 Antalya | 2021/01/18 07:00 | Josip Krstanovic v Federico Arnaboldi | 3-6,4-6 |
| ITF 15 Antalya | 2021/01/17 09:00 | Josip Krstanovic v Andrea Fiorentini | 6-0,6-4 |
| ITF 15 Antalya | 2021/01/10 06:00 | Calin Manda v Josip Krstanovic | 6-3,6-2 |
| ITF 15 Antalya | 2021/01/04 07:00 | Josip Krstanovic v Stefanos Sakellaridis | 3-6,6-7 |
| ITF 15 Antalya | 2021/01/03 07:00 | Josip Krstanovic v Enes Donmezer | 6-1,7-5 |
| ITF M15 Heraklion | 2020/11/24 08:30 | Josip Krstanovic v Timo Stodder | 1-6,4-6 |
| 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 Monastir | 2019/11/29 08:30 | Kai Wehnelt v Mattia Frinzi | 3-6,5-7 |
| ITF M15 Monastir | 2019/11/28 10:20 | Gauthier Onclin v Mattia Frinzi | 2-6,3-6 |
| ITF M15 Monastir | 2019/11/27 10:35 | Mattia Frinzi v Francesco Forti | 6-4,6-2 |