ITF M25 Palm Coast 01/25 15:00 27 Nicolas Alvarez v Pietro Rondoni 6-1,6-3
ITF M25 Palm Coast 01/24 18:25 26 Dmitry Popko v Nicolas Alvarez 1-6,4-6
ITF M25 Palm Coast 01/23 16:20 25 Nicolas Alvarez v Evan Zhu 6-3,6-1
ITF M15 Naples 01/18 17:00 27 Nicolas Alvarez v Pedro Sakamoto 3-6,6-7
ITF M15 Naples 01/17 19:30 26 Nicolas Alvarez v Luis Patino 7-5,6-3
ITF M15 Naples 01/16 17:30 25 Nicolas Alvarez v Jesse Witten 6-3,6-3
ITF M15 Naples 01/15 15:30 25 Nicolas Alvarez v Drew Baird Cancelled
ITF M25 Tucson 01/08 18:35 25 Luis Patino v Nicolas Alvarez 6-4,6-2
Challenger Buenos Aires 11/11 17:00 45 Bastian Malla v Nicolas Alvarez 1-6,7-5,6-0
Challenger Montevideo 11/03 14:30 45 Nicolas Alvarez v Gonzalo Villanueva 2-6,0-6
Challenger Guayaquil 10/30 15:30 25 Nicolas Alvarez v Pedro Sousa 4-6,4-6
Challenger Lima 10/23 20:35 25 Emilio Gomez v Nicolas Alvarez 6-4,6-4
Challenger Santo Domingo 10/07 15:55 46 Nicolas Alvarez v Juan P Varillas 6-4,2-6,1-6
Challenger Santo Domingo 10/06 17:05 45 Nicolas Alvarez v Hernan Casanova Retired
Challenger Campinas 10/02 18:10 25 Rogerio Dutra Silva v Nicolas Alvarez 6-3,6-3
Challenger Campinas 10/01 13:00 54 Oscar Jose Gutierrez v Nicolas Alvarez 3-6,5-7
Challenger Campinas 09/30 13:00 46 Nicolas Alvarez v Pedro Sakamoto 6-3,7-6
Challenger Campinas Qual 09/29 14:15 45 Christian Lindell v Nicolas Alvarez 2-6,1-6
ITF Argentina F5 09/15 13:30 29 Nicolas Alvarez v Camilo Ugo Carabelli 2-6,6-7
ITF Argentina F5 09/14 16:15 28 Nicolas Alvarez v Genaro Alberto Olivieri 6-3,1-6,6-2
ITF Argentina F5 09/13 13:30 27 Francisco Cerundolo v Nicolas Alvarez 6-4,3-6,6-7
ITF Argentina F5 09/12 16:05 26 Guido Ivan Justo v Nicolas Alvarez 3-6,1-6
ITF Argentina F5 09/10 13:30 25 Tomas Farjat v Nicolas Alvarez 2-6,1-6
ITF USA F23 08/17 15:50 27 Antoine Hoang v Nicolas Alvarez 6-3,6-3
ITF USA F23 08/16 16:00 26 Nicolas Alvarez v Liam Caruana 6-1,6-4
ITF USA F23 08/14 16:25 25 Nicolas Alvarez v Gilbert S K Junior 2-6,7-6,6-4
ITF USA F22 08/11 17:55 28 Nicolas Alvarez v Sebastian Korda 2-6,4-6
ITF USA F22 08/10 14:00 27 Ryan Shane v Nicolas Alvarez 6-4,2-6,2-6
ITF USA F22 08/09 14:00 26 Nicolas Alvarez v Nick Chappell 6-2,6-4
ITF USA F22 08/08 14:00 25 Nicolas Alvarez v Sean Sculley 6-1,6-3

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.