| ITF M25 Ricany | 09/03 08:30 | 27 | Stanek, Robin v Diaz Acosta, Facundo | 6-1,6-3 | |
| ITF M25 Ricany | 09/02 09:45 | 26 | Bolardt, Antonin v Diaz Acosta, Facundo | 2-6,3-6 | |
| ITF M25 Ricany | 09/01 11:40 | 25 | [429] Bergevi, Filip v Diaz Acosta, Facundo [393] | 3-6,4-6 | |
| Challenger - Prague | 08/26 08:30 | 27 | [429] Diaz Acosta, Facundo v Ryan Peniston [351] | 3-6,1-6 | |
| Challenger - Prague | 08/25 08:00 | 26 | [345] Matija Pecotic v Diaz Acosta, Facundo [429] | 3-6,6-7 | |
| Challenger - Prague | 08/24 10:25 | 25 | Diaz Acosta, Facundo v Donati, Matteo | 6-1,6-3 | |
| Challenger - Prague | 08/23 11:00 | 19 | Cacao, Tiago v Diaz Acosta, Facundo | 4-6,0-6 | |
| Challenger - Prague | 08/22 12:00 | 14 | Alexander Donski v Diaz Acosta, Facundo | 6-4,2-6,5-7 | |
| Prostejov, Singles M-ITF-CZE-04A | 08/21 07:50 | 29 | [405] Diaz Acosta, Facundo v Nikolas S Izquierdo [367] | 4-6,6-1,4-6 | |
| Prostejov, Singles M-ITF-CZE-04A | 08/20 10:00 | 28 | [405] Diaz Acosta, Facundo v Dalibor Svrcina [334] | 6-3,6-3 | |
| Prostejov, Singles M-ITF-CZE-04A | 08/19 11:15 | 27 | [327] Lucas Miedler v Diaz Acosta, Facundo [405] | 1-6,2-6 | |
| Prostejov, Singles M-ITF-CZE-04A | 08/18 09:45 | 26 | Jiri Jenicek v Diaz Acosta, Facundo | 0-6,0-6 | |
| Prostejov, Singles M-ITF-CZE-04A | 08/17 10:30 | 25 | Sklenka, Victor v Diaz Acosta, Facundo | 0-6,0-6 | |
| Challenger - Prague | 08/09 09:55 | 19 | [336] Adrian Andreev v Diaz Acosta, Facundo [406] | 2-6,6-4,6-3 | |
| Challenger - Prague | 08/08 12:00 | 14 | [406] Diaz Acosta, Facundo v Matija Pecotic [346] | 7-6,6-1 | |
| ITF M25 Grodzisk Mazowiecki | 08/05 14:40 | 26 | Diaz Acosta, Facundo v Maciej Rajski | 6-4,1-6,4-6 | |
| ITF M25 Grodzisk Mazowiecki | 08/03 10:30 | 25 | Diaz Acosta, Facundo v Wojcik, Yann | 6-3,7-6 | |
| ITF M25 Denia | 07/28 14:00 | 25 | [404] Diaz Acosta, Facundo v Gonzalez, Alejandro [462] | 4-6,7-6,3-6 | |
| Challenger Todi | 07/12 18:30 | 25 | [276] Pedro Cachin v Diaz Acosta, Facundo [396] | 6-3,6-4 | |
| Braunchsweig, Germany | 07/04 11:10 | 14 | Mats Rosenkranz v Diaz Acosta, Facundo | 3-6,7-6,7-6 | |
| ITF M25 Most | 05/29 08:30 | 28 | [389] Diaz Acosta, Facundo v Franco Agamenone [483] | 4-6,3-6 | |
| ITF M25 Most | 05/28 10:35 | 27 | Diaz Acosta, Facundo v Bolardt, Antonin | Retired | |
| ITF M25 Most | 05/27 10:25 | 26 | [386] Antoine Escoffier v Diaz Acosta, Facundo [389] | 7-5,3-6,3-6 | |
| ITF M25 Most | 05/25 11:50 | 25 | Jiri Krouzek v Diaz Acosta, Facundo | 4-6,3-6 | |
| ITF M25 Jablonec Nad Nisou | 05/20 08:00 | 26 | [394] Diaz Acosta, Facundo v Franco Agamenone [485] | 3-6,7-6,6-7 | |
| ITF M25 Jablonec Nad Nisou | 05/19 07:55 | 25 | [492] Pavlasek, Adam v Diaz Acosta, Facundo [394] | 2-6,3-6 | |
| ITF M15 Valldoreix | 05/15 09:00 | 28 | Lopez San Martin, Alvaro v Diaz Acosta, Facundo | 4-6,7-5,7-6 | |
| ITF M15 Valldoreix | 05/14 11:10 | 27 | Diaz Acosta, Facundo v Alex M Pujolras | 6-4,6-2 | |
| ITF M15 Valldoreix | 05/13 08:00 | 26 | [394] Diaz Acosta, Facundo v Johan Nikles [500] | 6-4,6-2 | |
| ITF M15 Valldoreix | 05/12 08:00 | 25 | Facundo Diaz Acosta v Laurent, Thomas | 6-0,6-3 |