Estadio: Court 16 Round: 62 Ground: Clay
| ITF M15 East Lansing | 2021/11/16 20:00 | A.J Catanzariti v Garrett Johns | 3-6,2-6 |
| ITF M15 Vero Beach | 2021/10/20 16:00 | Diogo Marques v A.J Catanzariti | 2-6,6-3,6-3 |
| ITF M15 Ithaca | 2021/10/09 15:00 | Charles Broom v A.J Catanzariti | 3-6,6-3,6-2 |
| ITF M15 Ithaca | 2021/10/08 15:30 | Eduardo Nava v A.J Catanzariti | 4-6,4-6 |
| ITF M15 Ithaca | 2021/10/07 16:05 | A.J Catanzariti v Nathan Ponwith | 6-4,6-3 |
| ITF M15 Ithaca | 2021/10/06 13:00 | Jonathan Sorbo v A.J Catanzariti | 3-6,1-6 |
| ITF M15 Champaign | 2021/09/16 14:55 | A.J Catanzariti v Dali Blanch | 6-7,4-6 |
| ITF M15 Champaign | 2021/09/15 17:05 | Alexander Brown v A.J Catanzariti | 1-6,2-6 |