Estádio: Center Court Round: 25 Ground: Clay
| Challenger - Verona | 2021/08/17 16:10 | Nerman Fatic v Matteo Viola | 6-0,6-1 |
| Challenger - Segóvia | 2021/07/28 10:00 | Matteo Viola v Benjamin Bonzi | 1-6,2-6 |
| Challenger - Segóvia | 2021/07/27 08:00 | Mirza Basic v Matteo Viola | 4-6,1-6 |
| Challenger - Pozoblanco | 2021/07/22 17:20 | Matteo Viola v Emilio Nava | 5-7,6-4,3-6 |
| Challenger - Pozoblanco | 2021/07/20 17:10 | Matteo Viola v Thomaz Bellucci | 6-1,6-3 |
| Challenger - Todi | 2021/07/13 19:35 | Tomas Martin Etcheverry v Matteo Viola | 6-4,7-6 |
| Challenger - Salzburgo | 2021/07/06 09:00 | Matteo Viola v Carlos Taberner | 4-6,4-6 |
| Challenger - Porto | 2021/06/30 13:45 | Matteo Viola v Sergiy Stakhovsky | 2-6,6-4,5-7 |
| Challenger - Barletta | 2021/08/23 09:00 | Aidan Mchugh v Cristian Cristian Rodríguez | 1-6,3-6 |
| Challenger - Barletta | 2021/08/22 10:00 | Cristian Cristian Rodríguez v Benjamin Hassan | 6-2,4-6,6-2 |
| ITF - M25 Guayaquil | 2021/08/08 15:00 | Cristian Cristian Rodríguez v Jose Pereira | 6-3,7-6 |
| ITF - M25 Guayaquil | 2021/08/07 15:00 | Cristian Cristian Rodríguez v Gonzalo Lama | 6-7,6-3,7-6 |
| ITF - M25 Guayaquil | 2021/08/06 15:00 | Luis Patino v Cristian Cristian Rodríguez | 3-6,2-6 |
| ITF - M25 Guayaquil | 2021/08/05 14:25 | Bruno P Navarro v Cristian Cristian Rodríguez | 6-4,1-6,1-6 |
| ITF - M25 Guayaquil | 2021/08/03 14:30 | Michel Vernier v Cristian Cristian Rodríguez | 4-6,6-2,3-6 |
| ITF - M25 Portoviejo | 2021/07/27 15:45 | Cristian Cristian Rodríguez v Dominik Palan | 4-6,4-6 |