Stadium: Court 7 Round: 26 Ground: Clay
| ITF Argentina F6 | 2018/09/18 14:50 | Gonzalo Villanueva v Juan Manuel Cerundolo | 6-1,6-2 |
| ITF Argentina F5 | 2018/09/14 13:30 | Gonzalo Villanueva v Camilo Ugo Carabelli | 4-6,6-1,3-6 |
| ITF Argentina F5 | 2018/09/13 15:35 | Gonzalo Villanueva v Rafael Matos | 6-2,6-2 |
| ITF Argentina F5 | 2018/09/12 14:40 | Gonzalo Villanueva v Juan Manuel Cerundolo | 6-2,6-0 |
| ITF Argentina F5 | 2018/09/10 15:35 | Gonzalo Villanueva v Arklon H D Pino | 5-7,6-2,6-2 |
| ITF Argentina F4 | 2018/09/06 18:10 | Juan Ignacio Galarza v Gonzalo Villanueva | 6-3,7-5 |
| ITF Argentina F4 | 2018/09/05 16:50 | Maximiliano Estevez v Gonzalo Villanueva | 6-0,5-7,1-6 |
| Challenger Cordenons | 2018/08/12 16:15 | Daniel Dutra Da Silva v Gonzalo Villanueva | 7-5,6-4 |
| ITF Argentina F6 | 2018/09/18 15:10 | Guido Ivan Justo v Santiago Rodriguez Taverna | 6-1,6-3 |
| ITF Argentina F6 | 2018/09/17 13:00 | Guido Ivan Justo v Emilio Juan Benitez | 6-4,6-1 |
| ITF Argentina F5 | 2018/09/12 16:05 | Guido Ivan Justo v Nicolas Alvarez | 3-6,1-6 |
| ITF Argentina F4 | 2018/09/05 14:30 | Guido Ivan Justo v Santiago Rodriguez Taverna | 1-6,6-0,3-6 |
| ITF Argentina F4 | 2018/09/04 14:30 | Guido Ivan Justo v Esteban Bruna | 6-4,6-4 |
| ITF Belgium F7 Qual | 2018/08/06 11:00 | Nicholas Horton v Guido Ivan Justo | 6-1,6-1 |
| ITF Belgium F7 Qual | 2018/08/05 13:00 | Liam Dielen v Guido Ivan Justo | 3-6,0-6 |
| ITF Latvia F1 | 2018/08/01 09:50 | Guido Ivan Justo v Pierre Faivre | 6-1,6-4 |