Round: 62 Ground: Clay
| ITF Argentina F4 | 2018/09/01 12:00 | Benjamin L Ambrosio v Matias Riva | 6-1,6-1 |
| ITF Argentina F3 | 2018/05/27 12:30 | Juan Bautista Otegui v Benjamin L Ambrosio | 6-0,6-4 |
| ITF Argentina F2 | 2018/05/20 13:00 | Gaston E Cantero v Benjamin L Ambrosio | 6-4,6-2 |
| ITF Argentina F1 | 2018/05/12 11:30 | Arklon H D Pino v Benjamin L Ambrosio | 6-3,6-2 |
| ITF Argentina F4 | 2018/09/01 12:00 | Nicolas Agustin Lema v Alan Postay | 4-6,2-6 |
| ITF Ecuador F2 Qual | 2018/07/30 15:00 | Alan Postay v Julian Gimenez | 4-6,3-6 |
| ITF Ecuador F2 Qual | 2018/07/29 15:00 | Gabriel A Yaguar Espinoza v Alan Postay | 4-6,6-2,6-7 |
| ITF Ecuador F1 | 2018/07/24 19:45 | Alan Postay v Maximiliano Estevez | 3-6,2-6 |
| ITF Ecuador F1 Qual | 2018/07/23 16:00 | Alan Postay v Raul Moreano Chan | 6-1,6-0 |
| ITF Ecuador F1 Qual | 2018/07/22 15:00 | Garizon Abarzua v Alan Postay | 2-6,2-6 |
| ITF Ecuador F1 Qual | 2018/07/21 16:00 | Alan Postay v Julian Gimenez | 7-6,6-4 |
| ITF Argentina F3 | 2018/05/27 12:30 | Francisco Comesana v Alan Postay | 1-6,6-2,7-5 |