| Challenger Cleveland | 2020/02/10 14:00 | Nick Chappell v Nico Mostardi | 6-2,4-6,6-1 |
| UTR Pro Tennis Series - Florida | 2020/12/14 16:00 | Nico Mostardi v JanMagnus Johnson | 7-6,4-6,1-5 |
| Challenger Cleveland | 2020/02/10 14:00 | Nick Chappell v Nico Mostardi | 6-2,4-6,6-1 |
| ITF M15 Pittsburgh | 2019/07/03 18:20 | Nico Mostardi v Tyler Mercier | 4-6,4-6 |
| ITF M15 Pittsburgh | 2019/07/02 14:00 | Nico Mostardi v Andrew Zhang | 4-6,6-4,11-9 |
| ITF M15 Pittsburgh | 2019/07/01 14:00 | Jordan Parker v Nico Mostardi | 4-6,4-6 |
| ITF USA F18 | 2018/06/25 14:00 | Alex Hernandez v Nico Mostardi | 6-1,6-2 |
| ITF USA F18 | 2018/06/24 14:00 | Alejandro H Franco v Nico Mostardi | 6-2,3-6,6-7 |
| ITF USA F38 | 2017/11/21 17:30 | Nico Mostardi v Jeffrey John Wolf | 2-6,2-6 |
| UTR Pro Tennis Series - Florida | 2020/12/14 22:00 | Nick Chappell v Evan Bynoe | 6-1,6-1 |
| ITF M15 Santo Domingo | 2020/12/12 14:55 | Nick Chappell v Nick Hardt | 3-6,2-6 |
| ITF M15 Santo Domingo | 2020/12/11 13:30 | Nick Chappell v Ezekiel Clark | 6-3,2-6,6-1 |
| ITF M15 Santo Domingo | 2020/12/10 13:30 | Nick Chappell v Reese Stalder | 6-4,7-6 |
| ITF M15 Santo Domingo | 2020/12/09 13:30 | Nick Chappell v David Volfson | 6-1,6-1 |
| ITF M15 Santo Domingo | 2020/12/05 14:30 | Nick Chappell v Oliver Crawford | 5-7,6-0,4-6 |
| ITF M15 Santo Domingo | 2020/12/04 14:45 | Nick Chappell v Leonardo Civita-Telles | 6-4,7-5 |
| ITF M15 Santo Domingo | 2020/12/03 15:55 | Nick Chappell v Jesse Flores | 6-3,7-6 |