stadio: Court 4 Round: 19 Ground: Clay
| Challenger Praga | 2021/08/22 10:15 | Teymuraz Gabashvili v Tiago Cacao | 2-6,2-6 |
| ITF M25 Bacau | 2021/08/20 08:00 | Dragos Nicolae Madaras v Tiago Cacao | 6-2,4-6,7-6 |
| ITF M25 Bacau | 2021/08/19 11:15 | Tiago Cacao v Marko Tepavac | 6-4,6-7,6-3 |
| ITF M25 Bacau | 2021/08/18 12:00 | Vasile Antonescu v Tiago Cacao | 2-6,4-6 |
| ITF M15 Curtea de Arges | 2021/08/14 11:20 | Facundo Juarez v Tiago Cacao | 6-3,1-6,7-6 |
| ITF M15 Curtea de Arges | 2021/08/12 08:55 | Tiago Cacao v Nicolae Frunza | 6-4,6-4 |
| ITF M15 Curtea de Arges | 2021/08/11 10:10 | Tiago Cacao v Gergely Madarasz | 6-3,6-4 |
| ITF M25 Idanha-A-Nova | 2021/07/22 09:55 | Alafia Ayeni v Tiago Cacao | 7-6,6-4 |
| Challenger Praga | 2021/08/22 12:00 | Alexander Donski v Facundo Diaz Acosta | 6-4,2-6,5-7 |
| ITF M25 Prostejov | 2021/08/21 07:50 | Facundo Diaz Acosta v Nikolas Sanchez Izquierdo | 4-6,6-1,4-6 |
| ITF M25 Prostejov | 2021/08/20 10:00 | Facundo Diaz Acosta v Dalibor Svrcina | 6-3,6-3 |
| ITF M25 Prostejov | 2021/08/19 11:15 | Lucas Miedler v Facundo Diaz Acosta | 1-6,2-6 |
| ITF M25 Prostejov | 2021/08/18 09:45 | Jiri Jenicek v Facundo Diaz Acosta | 0-6,0-6 |
| ITF M25 Prostejov | 2021/08/17 10:30 | Victor Sklenka v Facundo Diaz Acosta | 0-6,0-6 |
| Challenger Praga | 2021/08/09 09:55 | Adrian Andreev v Facundo Diaz Acosta | 2-6,6-4,6-3 |
| Challenger Praga | 2021/08/08 12:00 | Facundo Diaz Acosta v Matija Pecotic | 7-6,6-1 |