Stadium: Court 5 Round: 25 Ground: Clay
| ITF Bolivia F2 | 2018/09/20 23:40 | Doria, Luciano v Zukas, Matias | 3-6,6-2,3-6 |
| ITF Chile F2 | 2018/11/22 17:00 | Alejandro Tabilo v Zukas, Matias | 6-1,6-3 |
| ITF Chile F2 | 2018/11/21 16:00 | Montero, Jorge v Zukas, Matias | 1-6,1-6 |
| ITF Chile F2 | 2018/11/19 16:30 | Santiago Rodriguez Taverna v Zukas, Matias | 5-7,6-7 |
| Challenger - Buenos Aires | 2018/11/11 17:50 | Zukas, Matias v Galarza, Juan Ignacio | 6-7,7-5,4-6 |
| Montevideo, Uruguay | 2018/11/04 14:00 | Zukas, Matias v Federico Coria | 7-5,1-6,1-6 |
| Montevideo, Uruguay | 2018/11/03 16:10 | Zukas, Matias v Franco Roncadelli | 6-1,6-3 |
| Challenger - Lima | 2018/10/21 16:45 | Zukas, Matias v Rodriguez, Cristian | 4-6,1-6 |
| Challenger - Lima | 2018/10/20 18:30 | Zukas, Matias v Galdos, Sergio | 6-4,3-6,7-5 |
| ITF Chile F3 | 2018/11/26 14:00 | Doria, Luciano v Echavarria, Rodrigo | 6-4,6-2 |
| ITF Chile F3 | 2018/11/25 15:30 | Doria, Luciano v Papic, Nikolas | 6-1,6-4 |
| ITF Argentina F9 | 2018/11/13 12:30 | Doria, Luciano v Santiago Rodriguez Taverna | 2-6,6-1,6-7 |
| ITF Argentina F8 | 2018/11/06 14:40 | Estevez Maximiliano v Doria, Luciano | 7-5,7-5 |
| ITF Argentina F7 | 2018/10/30 17:00 | Estevez Maximiliano v Doria, Luciano | 6-1,6-3 |
| ITF Bolivia F2 | 2018/09/20 23:40 | Doria, Luciano v Zukas, Matias | 3-6,6-2,3-6 |
| ITF Bolivia F2 | 2018/09/19 21:40 | Doria, Luciano v Blumenberg, Alex | 6-3,3-6,6-1 |
| ITF Bolivia F2 | 2018/09/18 19:00 | Markovic, Goran v Doria, Luciano | 6-7,6-3,4-6 |