Stadion: Court N3 Round: 26 Ground: Hardcourt outdoor
| ITF - M25 - Austin | 2021/11/17 20:00 | Eliot Spizzirri v Constantin Frantzen | 6-3,6-3 |
| US Open | 2021/08/26 22:55 | Henri Laaksonen v Eliot Spizzirri | 3-6,7-6,6-4 |
| US Open | 2021/08/25 22:20 | Alejandro Tabilo v Eliot Spizzirri | 7-5,6-7,3-6 |
| ITF - M25 - Decatur | 2021/08/08 17:00 | Aidan Mchugh v Eliot Spizzirri | 2-6,5-7 |
| ITF - M25 - Decatur | 2021/08/07 14:45 | Eliot Spizzirri v Alex Rybakov | 6-4,7-5 |
| ITF - M25 - Decatur | 2021/08/06 17:10 | Yunseong Chung v Eliot Spizzirri | 4-6,4-6 |
| ITF - M25 - Decatur | 2021/08/05 18:35 | Eliot Spizzirri v Alfredo Perez | 5-7,6-1,6-1 |
| ITF - M25 - Decatur | 2021/08/04 16:55 | Preston Brown v Eliot Spizzirri | 0-6,3-6 |
| ITF - M25 - Austin | 2021/11/17 20:50 | Juan P G Mazzuchi v Siem Woldeab | 7-6,6-2 |
| ITF - M25 - Austin | 2021/11/16 18:55 | Juan P G Mazzuchi v Ethan Quinn | 7-6,6-7,10-7 |
| ITF - M25 - Austin | 2021/11/15 17:00 | Juan P G Mazzuchi v Aleksa Bucan | 3-6,6-1,10-5 |
| ITF - M15 - Fayetteville | 2021/11/03 14:30 | Juan P G Mazzuchi v Alexandre Reco | 4-6,4-6 |
| UTR Pro Tennis Series - Texas | 2021/09/26 13:00 | Juan P G Mazzuchi v Pierce Rollins | 6-3,5-4 |
| UTR Pro Tennis Series - Texas | 2021/09/25 17:30 | Juan P G Mazzuchi v Giulio Perego | 6-1,5-2 |
| UTR Pro Tennis Series - Texas | 2021/09/24 16:00 | Juan P G Mazzuchi v George Goldhoff | 6-0,6-3 |
| UTR Pro Tennis Series - Texas | 2021/09/22 13:00 | Juan P G Mazzuchi v Raphael Perot | 6-2,5-2 |