Round: 62 Ground: Clay
| ITF Bolivia F3 | 2017/10/02 22:55 | Martniez, Mateo Nicolas v Galarza, Juan Ignacio | 6-3,4-6,3-6 |
| ITF Bolivia F2 Qual | 2017/09/27 20:40 | Federico Zeballos v Martniez, Mateo Nicolas | 6-2,6-2 |
| ITF Bolivia F2 Qual | 2017/09/26 21:40 | Martniez, Mateo Nicolas v Enrique Bogo | 6-3,6-3 |
| ITF Bolivia F2 | 2017/09/26 20:00 | Martniez, Mateo Nicolas v Enrique Bogo | 6-3,6-3 |
| ITF Bolivia F1 | 2017/09/19 17:05 | Huertas Del Pino Cordova, Arklon v Martniez, Mateo Nicolas | 6-4,6-4 |
| ITF Argentina F7 | 2017/09/09 14:00 | Martniez, Mateo Nicolas v Iliev, Juan Ignacio | 6-7,3-6 |
| ITF Argentina F6 | 2017/09/05 12:00 | Martniez, Mateo Nicolas v Facundo Juarez | 6-4,6-7,2-6 |
| ITF Argentina F6 | 2017/09/04 13:15 | Martniez, Mateo Nicolas v Ignacio Monzon | 6-2,3-6,6-4 |
| ITF Bolivia F3 Qual | 2017/10/01 14:00 | Castares, Marcos v Caceres, Cleiner | 6-3,3-6,3-6 |
| ITF Bolivia F3 Qual | 2017/09/30 13:30 | Castares, Marcos v Bernal, Gabriel Alejandro | 6-0,6-3 |
| ITF Bolivia F1 | 2017/09/17 19:55 | Castares, Marcos v Carrizo, Martin Facundo | 3-6,4-6 |
| ITF Bolivia F1 | 2017/09/16 16:30 | Castares, Marcos v Bendazoli, Gabriel | 6-2,6-3 |
| ITF Argentina F7 | 2017/09/09 14:00 | Castares, Marcos v Arreche, Nicolas Alberto | 1-6,3-6 |
| ITF Argentina F4 | 2017/08/21 12:00 | Kohen, Alan v Castares, Marcos | 6-1,6-2 |
| ITF Argentina F4 | 2017/08/20 15:30 | Gian M Di Natale v Castares, Marcos | 2-6,6-7 |
| ITF Argentina F4 | 2017/08/19 11:30 | Castares, Marcos v Faletto Ureta, Bruno Luca | 0-6,7-6,7-5 |