Stadium: Cancha 1 Ground: Clay
| Challenger Santiago | 2021/10/03 17:25 | Facundo Diaz Acosta v Diego Hidalgo | 6-3,7-6 |
| ITF M25 Madrid | 2021/09/15 10:20 | Facundo Diaz Acosta v Nikolas Sanchez Izquierdo | 3-6,3-6 |
| ITF M25 Eupen | 2021/09/12 13:00 | Matteo Arnaldi v Facundo Diaz Acosta | 6-7,2-6 |
| ITF M25 Eupen | 2021/09/11 13:35 | Maxime Pauwels v Facundo Diaz Acosta | 4-6,4-6 |
| ITF M25 Eupen | 2021/09/10 10:55 | Colin Sinclair v Facundo Diaz Acosta | 4-6,5-7 |
| ITF M25 Eupen | 2021/09/09 07:30 | Tristan Schoolkate v Facundo Diaz Acosta | 1-6,7-6,2-6 |
| ITF M25 Eupen | 2021/09/07 11:00 | Benjamin Dhoe v Facundo Diaz Acosta | 0-6,2-6 |
| ITF M25 Ricany | 2021/09/03 08:30 | Robin Stanek v Facundo Diaz Acosta | 6-1,6-3 |
| Challenger Santiago | 2021/10/03 15:40 | Nicolas Villalon v Cristian Rodriguez | 2-6,4-6 |
| Challenger Ambato | 2021/09/21 21:20 | Thiago Agustin Tirante v Cristian Rodriguez | 7-6,4-6,7-6 |
| Challenger Quito | 2021/09/15 15:00 | Facundo Mena v Cristian Rodriguez | 6-2,6-4 |
| Challenger Quito | 2021/09/13 16:05 | Matias Zukas v Cristian Rodriguez | 7-6,5-7,6-7 |
| ITF M25 Oviedo | 2021/09/01 10:00 | Michel Vernier v Cristian Rodriguez | 6-4,7-6 |
| Challenger Barletta | 2021/08/26 11:00 | Cristian Rodriguez v Julian Ocleppo | 4-6,4-6 |
| Challenger Barletta | 2021/08/24 12:30 | Matteo Viola v Cristian Rodriguez | 2-6,5-7 |
| Challenger Barletta | 2021/08/23 09:00 | Aidan Mchugh v Cristian Rodriguez | 1-6,3-6 |