Stadium: Cancha 2 Round: 64 Ground: Clay
| Challenger - Punta del Este | 2020/01/31 22:00 | Marco Cecchinato v Alessandro Giannessi | 6-3,7-5 |
| Challenger - Punta del Este | 2020/01/30 18:00 | Alessandro Giannessi v Pedro Sousa | 4-6,6-3,6-4 |
| Challenger - Punta del Este | 2020/01/28 17:45 | Alessandro Giannessi v Tomas Martin Etcheverry | 5-7,7-5,6-4 |
| Australian Open | 2020/01/15 02:00 | Duckhee Lee v Alessandro Giannessi | 2-6,7-5,7-6 |
| Challenger - Hamburg | 2019/10/23 18:00 | Cedrik-Marcel Stebe v Alessandro Giannessi | 6-2,6-3 |
| Challenger - Santo Domingo | 2019/10/11 23:00 | Alessandro Giannessi v Hugo Dellien | 3-6,1-6 |
| Challenger - Santo Domingo | 2019/10/09 19:20 | Thiago Seyboth Wild v Alessandro Giannessi | 1-6,4-6 |
| Challenger - Barcelona | 2019/10/05 09:00 | Jozef Kovalik v Alessandro Giannessi | 6-3,7-6 |
| Challenger - Punta del Este | 2020/01/27 22:00 | Juan Manuel Cerundolo v Facundo Diaz Acosta | 6-4,6-4 |
| ITF M25 - Rancho Santa Fe | 2020/01/15 21:05 | Facundo Diaz Acosta v Geoffrey Blancaneaux | 6-7,5-7 |
| ITF M25 - Rancho Santa Fe | 2020/01/14 17:30 | Facundo Diaz Acosta v Karol Drzewiecki | 6-2,6-4 |
| ITF M25 - Los Angeles | 2020/01/09 21:05 | Raymond Sarmiento v Facundo Diaz Acosta | 6-4,6-4 |
| ITF M25 - Los Angeles | 2020/01/08 21:40 | Karol Drzewiecki v Facundo Diaz Acosta | 3-6,3-6 |
| Challenger - Montevideo | 2019/11/04 20:10 | Felipe Meligeni Rodrigues Alves v Facundo Diaz Acosta | 1-6,6-1,6-4 |
| Challenger - Guayaquil | 2019/10/31 18:35 | Facundo Diaz Acosta v Juan Pablo Varillas | 2-6,3-6 |
| Challenger - Guayaquil | 2019/10/30 16:00 | Mauricio Echazu v Facundo Diaz Acosta | 3-6,6-4,5-7 |