Stadium: Cancha 9 Round: 62 Ground: Clay
| ITF Argentina F6 | 2018/09/17 13:00 | Andres Gabriel Ciurletti v Alan Postay | 6-2,6-3 |
| ITF Argentina F6 | 2018/09/16 15:15 | Francisco Aranguren v Alan Postay | 2-6,2-6 |
| ITF Argentina F6 | 2018/09/15 14:00 | Alan Postay v Ryusei Makiguchi | 6-1,7-6 |
| ITF Argentina F5 | 2018/09/10 12:00 | Julian Gimenez v Alan Postay | 6-4,7-5 |
| ITF Argentina F4 | 2018/09/03 12:00 | Mateo Galdon v Alan Postay | 6-4,7-5 |
| ITF Argentina F4 | 2018/09/02 13:00 | Benjamin L Ambrosio v Alan Postay | 6-2,0-6,4-6 |
| 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 |