Stadium: Center Court Round: 25 Ground: Clay
| ITF M25 Lesa | 2021/08/23 14:00 | Pietro Marino v Giacomo Crisostomo | 6-2,6-2 |
| ITF M25 Lesa | 2021/08/22 12:10 | Pietro Marino v Alessio Zanotti | 4-6,6-3,11-9 |
| ITF M15 Pescara | 2021/08/16 07:15 | Fausto Tabacco v Pietro Marino | 7-5,6-0 |
| ITF M15 Pescara | 2021/08/15 11:30 | Alberto Morolli v Pietro Marino | 6-7,6-7 |
| ITF M15 Monastir | 2021/08/04 07:30 | Omni Kumar v Pietro Marino | 6-2,6-2 |
| ITF M15 Monastir | 2021/08/03 07:30 | Rishab Agarwal v Pietro Marino | 6-7,3-6 |
| ITF M15 Monastir | 2021/08/02 07:30 | Tadas Tarasevicius v Pietro Marino | 4-6,6-3,7-10 |
| ITF M15 Monastir | 2021/08/01 11:30 | Mhamed Affes v Pietro Marino | 2-6,4-6 |
| Challenger Luedenscheid | 2021/08/19 11:15 | Matteo Martineau v Camilo Ugo Carabelli | 4-6,6-7 |
| Challenger Luedenscheid | 2021/08/17 15:35 | Matteo Martineau v Marvin Moeller | 6-0,6-2 |
| Challenger Luedenscheid | 2021/08/16 09:30 | Dayne Kelly v Matteo Martineau | 2-6,3-6 |
| Challenger Luedenscheid | 2021/08/15 11:00 | Matteo Martineau v Adrian Andreev | 6-4,7-5 |
| Challenger San Marino | 2021/08/08 08:00 | Manuel Mazza v Matteo Martineau | 6-1,3-6,6-3 |
| Challenger Pozoblanco | 2021/07/20 15:00 | Matteo Martineau v Teymuraz Gabashvili | 4-6,6-1,4-6 |
| Challenger Pozoblanco | 2021/07/19 15:00 | Matteo Martineau v Federico Zeballos | 6-2,6-3 |
| Challenger Pozoblanco | 2021/07/18 15:30 | Matteo Martineau v Antonio Prat | 6-0,6-7,6-2 |