Round: 62 Ground: Clay
| ITF Bolivia F1 | 2017/09/17 19:55 | Marcos Castares v Martin Facundo Carrizo | 3-6,4-6 |
| ITF Bolivia F1 | 2017/09/16 16:30 | Marcos Castares v Gabriel De Andrade Bendazoli | 6-2,6-3 |
| ITF Argentina F7 | 2017/09/09 14:00 | Marcos Castares v Nicolas Alberto Arreche | 1-6,3-6 |
| ITF Argentina F4 | 2017/08/21 12:00 | Alan Kohen v Marcos Castares | 6-1,6-2 |
| ITF Argentina F4 | 2017/08/20 15:30 | Gian M Di Natale v Marcos Castares | 2-6,6-7 |
| ITF Argentina F4 | 2017/08/19 11:30 | Marcos Castares v Bruno L F Ureta | 0-6,7-6,7-5 |
| ITF Argentina F2 | 2017/06/10 14:30 | Enrique Bogo v Marcos Castares | 3-6,7-5,7-5 |
| ITF Argentina F1 | 2017/06/03 16:30 | Luciano Carraro v Marcos Castares | 6-3,6-3 |
| ITF Bolivia F2 Qual | 2016/11/12 14:00 | Gabriel Sanchez v Gabriel Alejandro Bernal | 6-2,7-6 |
| ITF Bolivia F1 | 2016/11/05 14:00 | Alan Postay v Gabriel Alejandro Bernal | 7-6,0-6,6-4 |
| ITF Ecuador F2 | 2016/10/15 15:00 | Gabriel Alejandro Bernal v Malcolm Harrison | 2-6,2-6 |
| ITF Ecuador F2 | 2016/10/08 15:00 | Javier Naser v Gabriel Alejandro Bernal | 6-3,6-1 |
| ITF Bolivia F2 Qual | 2015/09/12 14:00 | Alejandro Dorado v Gabriel Alejandro Bernal | 6-3,6-1 |