| Davis Kupa | 2017/06/14 15:50 | Alex Diaz v Herbert Jody Maginley | 6-4,6-3 |
| Davis Kupa | 2017/06/13 17:00 | Alex Diaz v Rowland Phillips | 7-6,1-6,6-4 |
| ITF USA F35 | 2016/11/03 15:00 | Felix Auger Aliassime v Alex Diaz | 1-6,6-0,6-1 |
| ITF USA F35 | 2016/11/01 18:20 | Andrew Carter v Alex Diaz | 6-7,5-7 |
| ITF USA F35 | 2016/10/31 15:00 | Alex Diaz v Thibault Cancel | 6-4,6-3 |
| ITF USA F35 | 2016/10/30 16:30 | Igor Smilansky v Alex Diaz | 3-6,5-7 |
| ITF USA F35 | 2016/10/29 19:00 | Alex Diaz v Axel Nefve | 6-4,6-4 |
| Davis Kupa | 2016/07/15 22:35 | Diego Galeano v Alex Diaz | 6-3,6-1,6-1 |
| Davis Kupa | 2017/06/15 15:00 | Alejandro Obando v Jacob Bicknell | 5-7,6-1,6-4 |
| Davis Kupa | 2017/06/14 15:00 | Alejandro Obando v Gavin Manders | 6-3,6-2 |
| Davis Kupa | 2016/07/16 14:00 | Alejandro Obando v Osmel Rivera Granja | 3-6,4-6 |
| Davis Kupa | 2016/07/15 16:35 | Alejandro Obando v Pablo Nunez | 6-4,4-6,3-6 |
| ITF Chile F5 | 2015/04/19 17:00 | Alejandro Obando v David Fleming | 0-6,5-7 |
| ITF Chile F5 | 2015/04/18 17:00 | Alejandro Obando v Oscar Matias Leiva Biason | 6-1,7-5 |