| UTR Pro Tennis Series Florida | 2021/01/12 18:00 | Mostardi, Nico v Bernard, John | 6-3,2-6,6-3 |
| UTR Pro Tennis Series Florida | 2021/01/11 15:30 | Noah Rubin v Mostardi, Nico | 6-2,6-4 |
| UTR Pro Tennis Series Florida | 2020/12/19 16:00 | Yatsuk, Ivan v Mostardi, Nico | 7-6,3-6,6-7 |
| UTR Pro Tennis Series Florida | 2020/12/18 16:15 | Chen, Tin v Mostardi, Nico | 5-7,0-0 |
| UTR Pro Tennis Series Florida | 2020/12/16 16:00 | Mostardi, Nico v Evan Bynoe | 6-1,6-2 |
| UTR Pro Tennis Series Florida | 2020/12/15 17:00 | Mostardi, Nico v Nick Chappell | 7-6,0-6,5-7 |
| UTR Pro Tennis Series Florida | 2020/12/14 16:00 | Mostardi, Nico v Johnson, Janmagnus | 7-6,4-6,1-5 |
| Challenger - Cleveland | 2020/02/10 14:00 | Nick Chappell v Mostardi, Nico | 6-2,4-6,6-1 |
| UTR Pro Tennis Series Florida | 2021/01/12 20:00 | Noah Rubin v Omar Maldonado | 6-1,5-2 |
| UTR Pro Tennis Series Florida | 2021/01/11 14:00 | Bernard, John v Omar Maldonado | 6-0,5-4 |