Stadium: Cancha Central Round: 26 Ground: Clay
| ITF M15 Santiago de Chile | 2019/10/03 17:00 | Alejo Lorenzo Lingua Lavallen v Facundo Diaz Acosta | 6-4,6-4 |
| ITF M15 Santiago de Chile | 2019/10/03 17:00 | Alejo Lorenzo Lingua Lavallen v Facundo Diaz Acosta | 6-4,6-4 |
| ITF M15 Santiago de Chile | 2019/10/02 17:10 | Alejo Lorenzo Lingua Lavallen v Luciano Doria | 6-1,6-2 |
| ITF M15 Santiago de Chile | 2019/10/02 15:30 | Alejo Lorenzo Lingua Lavallen v Luciano Doria | 6-1,5-2 |
| ITF M15 Buenos Aires | 2019/09/18 12:00 | Genaro Alberto Olivieri v Alejo Lorenzo Lingua Lavallen | 6-7,6-4,6-3 |
| ITF M15 Pinamar | 2019/04/02 14:00 | Guido Ivan Justo v Alejo Lorenzo Lingua Lavallen | 6-1,3-6,7-6 |
| ITF M15 Pinamar | 2019/03/26 16:05 | Alejo Lorenzo Lingua Lavallen v Tomas Lipovsek Puches | 3-6,7-6,2-6 |
| ITF M15 Pinamar | 2019/03/19 15:30 | Francisco Cerundolo v Alejo Lorenzo Lingua Lavallen | 6-2,6-3 |
| ITF Argentina F9 | 2018/11/14 15:00 | Maximiliano Estevez v Alejo Lorenzo Lingua Lavallen | 6-3,7-5 |
| ITF M15 Santiago de Chile | 2019/10/03 17:00 | Alejo Lorenzo Lingua Lavallen v Facundo Diaz Acosta | 6-4,6-4 |
| ITF M15 Santiago de Chile | 2019/10/02 16:30 | Michel Vernier v Facundo Diaz Acosta | 6-7,4-6 |
| Challenger Buenos Aires | 2019/09/26 21:30 | Leonardo Mayer v Facundo Diaz Acosta | 7-6,6-3 |
| Challenger Buenos Aires | 2019/09/25 16:05 | Facundo Diaz Acosta v Renzo Olivo | 7-5,4-6,6-2 |
| Challenger Buenos Aires | 2019/09/24 14:00 | Mariano Kestelboim v Facundo Diaz Acosta | 3-6,7-5,5-7 |
| ITF M15 Buenos Aires | 2019/09/20 15:00 | Facundo Diaz Acosta v Gonzalo Villanueva | 5-7,1-6 |
| ITF M15 Buenos Aires | 2019/09/19 17:50 | Facundo Diaz Acosta v Valerio Aboian | 6-0,6-2 |
| ITF M15 Buenos Aires | 2019/09/17 16:30 | Facundo Diaz Acosta v Felipe M Sarrasague | 4-6,6-1,6-3 |