| ATP Madrid | 04/24 18:05 | 23 | [47] Facundo Diaz Acosta v Denis Shapovalov [132] | 4-6,6-3,3-6 | |
| ATP Barcelona | 04/19 15:10 | 27 | [53] Facundo Diaz Acosta v Stefanos Tsitsipas [7] | 6-4,3-6,6-7 | |
| ATP Barcelona | 04/18 14:05 | 26 | [39] Fabian Marozsan v Facundo Diaz Acosta [53] | 6-3,3-6,1-6 | |
| ATP Barcelona | 04/16 10:20 | 25 | [53] Facundo Diaz Acosta v Borna Coric [32] | 6-2,7-5 | |
| ATP Barcelona | 04/15 09:00 | 24 | [53] Facundo Diaz Acosta v Daniel Rincon [216] | 6-1,6-4 | |
| ATP Monte Carlo | 04/09 11:20 | 24 | [90] Roberto Bautista Agut v Facundo Diaz Acosta [53] | 6-2,6-4 | |
| ATP Monte Carlo | 04/07 09:00 | 19 | [55] Facundo Diaz Acosta v Sumit Nagal [95] | 5-7,6-2,2-6 | |
| ATP Monte Carlo | 04/06 10:45 | 14 | [55] Facundo Diaz Acosta v Diego Schwartzman [124] | 6-3,6-4 | |
| ATP Marrakech | 04/02 13:00 | 25 | [157] Nicolas Moreno De Alboran v Facundo Diaz Acosta [55] | 6-4,3-6,6-3 | |
| ATP Miami | 03/21 22:40 | 23 | [45] Alexei Popyrin v Facundo Diaz Acosta [55] | 6-2,6-2 | |
| ATP Santiago | 02/28 17:00 | 26 | [52] Facundo Diaz Acosta v Pedro Martinez [101] | 6-7,7-6,1-6 | |
| ATP Santiago | 02/26 22:00 | 25 | [87] Facundo Diaz Acosta v Pedro Cachin [74] | 5-7,6-3,7-6 | |
| ATP Rio De Janeiro | 02/22 20:10 | 26 | [87] Facundo Diaz Acosta v Sebastian Baez [30] | 6-7,3-6 | |
| ATP Rio De Janeiro | 02/20 22:15 | 25 | [87] Facundo Diaz Acosta v Stan Wawrinka [60] | 7-5,6-4 | |
| ATP Buenos Aires | 02/18 19:00 | 29 | [21] Nicolas Jarry v Facundo Diaz Acosta [87] | 3-6,4-6 | |
| ATP Buenos Aires | 02/17 19:00 | 28 | [87] Facundo Diaz Acosta v Federico Coria [106] | 6-2,6-3 | |
| ATP Buenos Aires | 02/16 16:30 | 27 | [58] Dusan Lajovic v Facundo Diaz Acosta [87] | 4-6,3-6 | |
| ATP Buenos Aires | 02/14 21:30 | 26 | [87] Facundo Diaz Acosta v Francisco Cerundolo [22] | 7-6,6-0 | |
| ATP Buenos Aires | 02/12 17:00 | 25 | [87] Facundo Diaz Acosta v Daniel Altmaier [53] | 6-3,7-6 | |
| ATP Cordoba | 02/09 23:35 | 27 | [95] Facundo Diaz Acosta v Sebastian Baez [26] | 3-6,1-6 | |
| ATP Cordoba | 02/09 17:30 | 26 | [109] Thiago Agustin Tirante v Facundo Diaz Acosta [95] | 2-6,7-6,2-6 | |
| ATP Cordoba | 02/05 23:55 | 25 | [95] Facundo Diaz Acosta v Federico Agustin Gomez [365] | 6-1,6-4 | |
| Australian Open | 01/14 05:55 | 23 | [12] Taylor Fritz v Facundo Diaz Acosta [93] | 4-6,6-3,3-6,6-2,6-4 | |
| ATP Adelaide | 01/09 02:15 | 25 | [47] Jordan Thompson v Facundo Diaz Acosta [93] | 6-2,6-2 | |
| ATP Adelaide | 01/08 00:30 | 19 | [79] Thiago Seyboth Wild v Facundo Diaz Acosta [95] | 6-2,6-7,6-7 | |
| ATP Adelaide | 01/06 23:30 | 14 | [99] Yosuke Watanuki v Facundo Diaz Acosta [95] | 6-4,6-7,6-7 | |
| Challenger Canberra | 01/02 00:45 | 25 | [95] Facundo Diaz Acosta v Rudolf Molleker [194] | 6-7,3-6 | |
| Challenger Montevideo | 11/19 22:00 | 29 | [111] Facundo Diaz Acosta v Thiago Monteiro [131] | Retired | |
| Challenger Montevideo | 11/18 22:00 | 28 | [270] Gustavo Heide v Facundo Diaz Acosta [111] | 6-4,3-6,5-7 | |
| Challenger Montevideo | 11/17 18:30 | 27 | [111] Facundo Diaz Acosta v Roman A Burruchaga [217] | 4-6,6-4,6-3 |