Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Ostrava | 2021/11/24 11:15 | Petr Hajek v Milos Karol | 3-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/11/17 08:00 | Petr Hajek v Francesco Vilardo | 3-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/11/10 10:30 | Timo Stodder v Petr Hajek | 0-6,6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2021/10/10 08:00 | Petr Hajek v Gabriel Decamps | 5-7,7-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/10/09 08:00 | Lorenzo Bocchi v Petr Hajek | 6-7,4-6 |
| ITF M15 Sharm El Sheikh | 2021/10/08 08:00 | S D Prajwal Dev v Petr Hajek | 5-7,2-6 |
| ITF M15 Sharm El Sheikh | 2021/10/07 08:00 | Petr Hajek v Nitin Kumar Sinha | 6-3,6-7,6-4 |
| ITF M15 Sharm El Sheikh | 2021/10/06 10:10 | Lukas Pokorny v Petr Hajek | 4-6,6-7 |
| ITF M15 East Lansing | 2021/11/17 20:45 | Nico Mostardi v Colin Sinclair | 3-6,4-6 |
| ITF M15 East Lansing | 2021/11/16 15:00 | John Mercer v Nico Mostardi | 1-6,5-7 |
| ITF M15 East Lansing | 2021/11/15 18:00 | Borja Miralles v Nico Mostardi | 6-3,2-6,4-10 |
| ITF M15 Ithaca | 2021/11/05 14:00 | Luke Johnson v Nico Mostardi | 6-0,6-0 |
| ITF M15 Ithaca | 2021/11/04 14:00 | Nico Mostardi v Guy Orly Iradukunda | 6-3,3-6,6-4 |
| ITF M15 Ithaca | 2021/11/03 14:00 | Nico Mostardi v Credit Chaiyarin | 6-4,6-2 |
| ITF M15 Ithaca | 2021/11/02 14:30 | Nico Mostardi v Alexandre Leblanc | 7-6,4-6,7-10 |
| ITF M15 Ithaca | 2021/10/06 16:35 | Nico Mostardi v Charles Broom | 1-6,6-7 |