ITF USA F21 08/05 17:40 29 Sebastian Korda v Nicolas Alvarez 4-6,6-3,3-6
ITF USA F21 08/04 15:00 28 Nicolas Alvarez v Jacob Dunbar 1-6,6-2,6-4
ITF USA F21 08/03 15:00 27 Grey Hamilton v Nicolas Alvarez 4-6,0-6
ITF USA F21 08/02 16:40 26 Nicolas Alvarez v Sebastien Boltz 4-6,7-6,6-1
ITF USA F21 08/01 20:50 25 Nicolas Alvarez v Paul C Oosterbaan 6-3,6-0
ITF USA F21 Qual 07/31 15:00 62 Nicolas Alvarez v McClain Kessler 6-3,6-7,6-0
Davis Cup 04/08 21:20 28 Gerardo L Villasenor v Nicolas Alvarez Cancelled
Davis Cup 04/07 19:00 28 Luis Patino v Nicolas Alvarez 3-6,6-3,4-6
ITF Peru F2 12/20 19:00 26 Nicolas Alvarez v Oscar Jose Gutierrez Walkover
ITF Peru F2 12/19 19:25 25 Nicolas Alvarez v Peter Bertran 6-2,4-6,6-1
ITF Peru F1 12/16 17:00 29 Nicolas Alvarez v Daniel Elahi Galan 5-7,3-6
ITF Peru F1 12/15 23:00 28 Oscar J. Gutierrez v Nicolas Alvarez 3-6,5-7
ITF Peru F1 12/14 21:30 27 Nicolas Alvarez v Marcelo T B Vera 7-6,6-4
ITF Peru F1 12/13 20:40 26 Joao Pedro Sorgi v Nicolas Alvarez 1-6,2-6
ITF Peru F1 12/13 00:45 25 Nicolas Alvarez v Antonio P Neto 6-4,6-1
Challenger Lima 10/25 20:00 26 Nicolas Alvarez v Marco Cecchinato 3-6,2-6
Challenger Lima 10/23 18:00 25 Emilio Gomez v Nicolas Alvarez 1-6,3-6
Davis Cup 09/17 17:15 29 Jose Hernandez-Fernandez v Nicolas Alvarez 6-2,7-6
Davis Cup 09/15 14:00 29 Victor Estrella Burgos v Nicolas Alvarez 6-0,6-3,6-4
ITF Colombia F3 Qual 07/30 15:00 44 Alejandro Mendoza v Nicolas Alvarez 6-2,7-6
ITF Colombia F2 07/24 17:10 44 Nicolas Alvarez v Michael Quintero 2-6,4-6
ITF Colombia F2 07/23 14:30 44 Geronimo Barrios v Nicolas Alvarez 2-6,2-6
ITF Colombia F1 07/19 15:00 26 Christopher Diaz-Figueroa v Nicolas Alvarez 6-4,6-3
ITF Colombia F1 07/18 16:55 25 Nicolas Alvarez v Daniel Mora 6-1,6-1
ITF Colombia F1 07/17 15:00 44 Geronimo Barrios v Nicolas Alvarez 3-6,1-6
ITF Colombia F1 07/16 15:00 44 Nicolas Alvarez v Alejandro Pena 6-2,6-1
Challenger Lima 10/24 23:10 25 Renzo Olivo v Nicolas Alvarez 6-4,3-6,6-1
Davis Cup 09/18 18:55 - Nicolas Alvarez v Luis David Martinez 4-6,6-4,7-6,6-1
Davis Cup 09/16 18:30 - Nicolas Alvarez v Ricardo Rodriguez 6-4,6-2,6-0
Davis Cup 07/17 17:25 - Nicolas Alvarez v Luis Patino 6-4,6-7,6-3

Nicolás Álvarez (Spanish pronunciation: [nikoˈlas ˈalβaɾes]; born 8 June 1996) is a Peruvian tennis player.

On the junior tour, Álvarez has a career high ITF junior ranking of 17 achieved in March 2014.

Álvarez has a career high ATP singles ranking of 295 achieved on January 6, 2020. He also has a career high ATP doubles ranking of 345, achieved on March 2, 2020.

Álvarez has represented Peru at Davis Cup. In Davis Cup he has a win–loss record of 6–5.