Stadium: Court 5 Round: 62 Ground: Clay
| ITF M15 - Opatija | 2021/03/26 11:10 | Giovanni Fonio v Pietro Rondoni | 6-3,6-3 |
| ITF M15 - Opatija | 2021/03/25 12:15 | Pietro Rondoni v Timo Legout | 6-1,3-6,6-2 |
| ITF M15 - Opatija | 2021/03/24 11:20 | Ignacio Monzon v Pietro Rondoni | 2-6,3-6 |
| ITF M15 - Rovinj | 2021/03/18 10:30 | David Pichler v Pietro Rondoni | 6-4,6-2 |
| ITF M15 - Rovinj | 2021/03/17 10:00 | Pietro Rondoni v Admir Kalender | 7-5,6-4 |
| ITF M15 - Porec | 2021/03/14 08:55 | Filip Misolic v Pietro Rondoni | 6-4,6-4 |
| ITF M15 - Porec | 2021/03/13 10:00 | Damien Wenger v Pietro Rondoni | 4-6,5-7 |
| ITF M15 - Porec | 2021/03/11 09:00 | Pietro Rondoni v Davide Galoppini | 6-4,6-3 |