Stadium: Cancha Central Round: 26 Ground: Clay
| Challenger Lima | 2021/09/28 16:45 | Nicolas Alvarez v Facundo Mena | 3-6,7-6,3-6 |
| Davis Cup | 2021/09/18 21:30 | Nicolas Alvarez v Nerman Fatic | 7-6,6-4 |
| Davis Cup | 2021/09/17 20:00 | Nicolas Alvarez v Damir Dzumhur | 2-6,7-6,3-6 |
| Challenger Banja Luka | 2021/09/07 08:00 | Nicolas Alvarez v Sumit Nagal | 1-6,2-6 |
| ITF M25 Oviedo | 2021/09/03 10:25 | Nicolas Alvarez v Oriol Roca Batalla | 1-6,6-3,5-7 |
| ITF M25 Oviedo | 2021/09/02 09:00 | Miguel Damas v Nicolas Alvarez | 6-1,3-6,4-6 |
| ITF M25 Oviedo | 2021/09/01 08:00 | Andrey Chepelev v Nicolas Alvarez | 6-4,1-6,3-6 |
| ITF M25 Oviedo | 2021/08/31 07:00 | Alejandro Mendoza v Nicolas Alvarez | 2-6,3-6 |
| ITF M15 Perugia | 2021/07/18 13:15 | Matias Soto v Andrea Gola | 6-7,3-6 |
| ITF M15 L'Aquila | 2021/07/14 15:20 | Luca Nardi v Matias Soto | 6-3,7-5 |
| ITF M15 L'Aquila | 2021/07/13 08:00 | Matias Soto v Gian M Di Natale | 6-3,6-4 |
| ITF M15 L'Aquila | 2021/07/12 10:30 | Matias Soto v Niccolo Catini | 5-7,6-3,11-9 |
| ITF M15 L'Aquila | 2021/07/11 11:00 | Matias Soto v Marco Migliorati | 6-3,6-4 |
| ITF M15 Poprad | 2021/07/08 08:00 | Filip Peliwo v Matias Soto | 6-2,6-2 |
| ITF M15 Poprad | 2021/07/06 07:55 | Jeffrey Von Der Schulenburg v Matias Soto | 3-6,6-2,4-6 |
| ITF M15 Poprad | 2021/07/05 08:00 | Matias Soto v Matej Galik | 6-3,6-2 |