Ground: Clay
| Palm Coast, Singles M-ITF-USA-05A | 2020/02/05 17:00 | Gonzalez, Alejandro v Lindell, Christian | 6-7,2-6 |
| ITF M25 Weston | 2020/01/29 20:10 | Javier Barranco Cosano v Gonzalez, Alejandro | 7-6,6-2 |
| Coupe Davis | 2019/11/19 17:00 | Kyrgios, Nick v Gonzalez, Alejandro | 6-4,6-4 |
| Montevideo, Uruguay | 2019/11/04 23:30 | Francisco Cerundolo v Gonzalez, Alejandro | 6-2,6-1 |
| Challenger Guayaquil | 2019/10/28 21:20 | Gonzalez, Alejandro v Facundo Diaz Acosta | 6-4,3-6,4-6 |
| Challenger Lima | 2019/10/23 15:00 | Facundo Bagnis v Gonzalez, Alejandro | 6-3,6-3 |
| Challenger Lima | 2019/10/22 15:00 | Iamachkine, Pedro v Gonzalez, Alejandro | 7-5,6-7,2-6 |
| Challenger Lima | 2019/10/21 14:30 | Wilson Leite v Gonzalez, Alejandro | 2-6,5-7 |
| ITF - M25 Naples | 2020/02/11 15:00 | Sinclair, Colin v Emilio Nava | 7-6,7-6 |
| ITF - M25 Naples | 2020/02/10 15:30 | Sinclair, Colin v Vrba, Daniel | 6-3,6-3 |
| ITF - M25 Naples | 2020/02/09 15:00 | Sinclair, Colin v Rowland Phillips | 6-2,4-6,10-4 |
| Palm Coast, Singles M-ITF-USA-05A | 2020/02/04 15:00 | Sinclair, Colin v Butsch, Justin | 4-6,7-5,5-10 |
| Palm Coast, Singles M-ITF-USA-05A | 2020/02/03 15:00 | Sinclair, Colin v A.J Catanzariti | 6-4,6-3 |
| ITF M25 Weston | 2020/01/28 14:00 | Daniel Dutra Da Silva v Sinclair, Colin | 6-4,6-1 |
| ITF M25 Weston | 2020/01/27 15:30 | Giddens, Maxwell v Sinclair, Colin | 2-6,3-6 |
| ITF M25 Weston | 2020/01/26 15:30 | Liu, Yang v Sinclair, Colin | 6-7,2-6 |