Stadium: Court 2 Opatija Round: 29 Ground: Clay
| ITF M15 Opatija | 2021/03/27 08:30 | Corentin Denolly v Giacomo Dambrosi | 6-1,3-6,1-6 |
| ITF M15 Opatija | 2021/03/26 09:00 | Alex Rybakov v Giacomo Dambrosi | 2-6,6-3,2-6 |
| ITF M15 Opatija | 2021/03/25 09:00 | Damien Wenger v Giacomo Dambrosi | 1-6,3-6 |
| ITF M15 Opatija | 2021/03/24 10:45 | Giacomo Dambrosi v David Pichler | 3-6,6-1,6-2 |
| ITF M15 Opatija | 2021/03/23 09:00 | Giacomo Dambrosi v Peter Goldsteiner | 6-3,6-2 |
| ITF M15 Opatija | 2021/03/22 13:00 | Giacomo Dambrosi v Yvo Panak | 6-3,6-3 |
| ITF M15 Opatija | 2021/03/21 08:00 | Giacomo Dambrosi v Alessandro Bellifemine | 6-0,6-0 |
| ITF M15 Rovinj | 2021/03/17 10:40 | David Pichler v Giacomo Dambrosi | 1-6,6-3,6-1 |
| ITF M15 Opatija | 2021/03/27 08:30 | Oleksandr Ovcharenko v Giovanni Fonio | 2-6,4-6 |
| ITF M15 Opatija | 2021/03/26 11:10 | Giovanni Fonio v Pietro Rondoni | 6-3,6-3 |
| ITF M15 Opatija | 2021/03/25 10:45 | Giovanni Fonio v Matteo Arnaldi | 6-3,6-1 |
| ITF M15 Opatija | 2021/03/24 10:45 | Giovanni Fonio v Juan Bautista Otegui | 6-3,6-4 |
| ITF M15 Rovinj | 2021/03/20 11:40 | Giovanni Fonio v Martin Damm | 6-4,3-6,6-7 |
| ITF M15 Rovinj | 2021/03/19 12:00 | Andrea Basso v Giovanni Fonio | 6-7,1-6 |
| ITF M15 Rovinj | 2021/03/18 10:35 | Mili Poljicak v Giovanni Fonio | 3-6,2-6 |
| ITF M15 Rovinj | 2021/03/16 10:00 | Giovanni Fonio v Zsombor Piros | 6-3,6-3 |