Stadium: Cancha 1 Round: 26 Ground: Clay
| Challenger Santiago | 2021/10/03 16:10 | Nicolas Bruna v Mathieu Perchicot | 0-6,2-6 |
| ITF M15 Huy | 2021/08/23 14:00 | Joppe Van Malderen v Nicolas Bruna | 2-6,6-3,10-8 |
| ITF M15 Huy | 2021/08/22 17:00 | John Sperle v Nicolas Bruna | 6-4,6-7,8-10 |
| ITF M15 Oldenzaal | 2021/08/17 07:30 | Nicolas Bruna v Niklas Guttau | 6-3,3-6,6-10 |
| ITF M15 Curtea de Arges | 2021/08/09 09:00 | Nicolas Bruna v Ray Ho | 4-6,2-6 |
| ITF M15 Curtea de Arges | 2021/08/08 10:00 | Mihnea L.S. Turcu v Nicolas Bruna | 3-6,4-6 |
| ITF M15 Cairo | 2021/08/01 07:00 | Nicolas Bruna v Amr Asrawy | 6-4,1-6,10-12 |
| ITF M15 Cairo | 2021/07/26 08:00 | Nicolas Bruna v Lautaro Agustin Falabella | 2-6,1-6 |
| Challenger Santiago | 2021/10/05 19:50 | Nicolas Alvarez v Camilo Ugo Carabelli | 5-7,1-6 |
| Challenger Santiago | 2021/10/04 16:30 | Nicolas Alvarez v Carlos Gomez-Herrera | 6-3,1-6,6-4 |
| Challenger Santiago | 2021/10/03 17:40 | Nicolas Alvarez v Matias Soto | 7-6,6-1 |
| 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 |