Stadium: Court 1 Round: 14 Ground: Clay
| ITF M25 Marburg | 2021/07/07 11:50 | Netuschil, Marvin v Gonzalez, Alejandro | 6-7,6-4,6-1 |
| ITF - M25 Santo Domingo | 2021/06/03 13:00 | Gonzalez, Alejandro v Blaise Bicknell | 6-3,6-7,7-5 |
| ITF - M25 Pensacola | 2021/05/21 14:30 | Gonzalez, Alejandro v Patrick Kypson | 4-6,0-6 |
| ITF - M25 Pensacola | 2021/05/20 14:25 | Hernandez Serrano, Juan Alejandro v Gonzalez, Alejandro | 3-6,2-6 |
| ITF - M25 Pensacola | 2021/05/19 19:35 | Bernard, John v Gonzalez, Alejandro | 2-6,1-6 |
| Challenger Salinas 2 | 2021/04/26 19:40 | Wang, Tak Khunn v Gonzalez, Alejandro | 6-2,3-6,6-2 |
| Challenger Salinas | 2021/04/19 14:30 | Gonzalez, Alejandro v Wang, Tak Khunn | 2-6,6-1,0-6 |
| Challenger Salinas | 2021/04/18 19:10 | Gonzalez, Alejandro v Panta Herreros, Jorge Brian | 6-0,6-1 |