Challenger Guayaquil 11/14 15:00 64 [347] Nicolas Alvarez v Sergio Martos Gornes [190] 6-0,6-2
Challenger Cary 11/08 15:00 - [298] Kevin King v Nicolas Alvarez [347] 7-6,6-0
Challenger Cary 11/07 17:10 64 Ryan Shane v Nicolas Alvarez 3-6,3-6
Spanish Summer League 07/24 10:35 - Pedro Martinez v Nicolas Alvarez 6-3,3-6,6-4
Spanish Summer League 07/23 08:00 - Nicolas Alvarez v Adrian Menendez-Maceiras 6-3,6-2
Spanish Summer League 07/16 15:00 - Nicolas Alvarez v Javier Barranco Cosano 0-6,4-6
Spanish Summer League 07/15 15:00 - Nicolas Alvarez v Alex M Pujolras 6-4,6-2
Davis Cup 03/07 23:00 45 Nicolas Alvarez v Sandro Ehrat Cancelled
Davis Cup 03/06 22:25 45 [330] Nicolas Alvarez v Henri Laaksonen [137] 4-6,4-6
ITF M25 Rio Cuarto 02/26 14:10 25 Thiago Agustin Tirante v Nicolas Alvarez 6-4,6-4
ITF M25 Punta del Este 02/20 13:00 27 Mariano Navone v Nicolas Alvarez 7-6,2-6,7-6
ITF M25 Punta del Este 02/19 19:05 26 Juan Ignacio Galarza v Nicolas Alvarez 2-6,5-7
ITF M25 Punta del Este 02/19 12:00 25 Thiago Agustin Tirante v Nicolas Alvarez 6-1,6-7,4-6
ITF M25 Lima 02/14 16:00 27 [331] Nicolas Alvarez v Facundo Arguello [389] 4-6,3-6
ITF M25 Lima 02/13 16:35 26 Nicolas Alvarez v Bastian Malla Retired
ITF M25 Lima 02/12 19:40 25 Nicolas Alvarez v Alejandro Mendoza 6-2,7-6
ITF M25 Lima 02/05 19:50 25 Nicolas Alvarez v Miljan Zekic 6-7,4-6
Challenger Punta del Este 01/28 22:30 25 [303] Nicolas Alvarez v Facundo Bagnis [135] 6-7,6-3,1-6
Challenger Punta del Este 01/27 14:20 24 [472] Rafael Matos v Nicolas Alvarez [303] 6-3,4-6,3-6
ITF M25 Naples 11/22 18:45 27 [442] Martin Damm v Nicolas Alvarez [352] 6-3,7-6
ITF M25 Naples 11/21 18:40 26 Adrian Andreev v Nicolas Alvarez 2-6,4-6
ITF M25 Naples 11/20 17:05 25 [429] Camilo Ugo Carabelli v Nicolas Alvarez [352] 0-6,4-6
ITF M25 Orlando 11/17 17:45 29 [352] Nicolas Alvarez v Pedro Sakamoto [334] 3-6,6-2,6-1
ITF M25 Orlando 11/16 16:00 28 [331] Javier Barranco Cosano v Nicolas Alvarez [352] 5-7,4-6
ITF M25 Orlando 11/15 19:00 27 Nicolas Alvarez v Dragos Constantin Ignat 6-0,6-2
ITF M25 Orlando 11/14 15:00 26 Nicolas Alvarez v Justin Roberts 6-4,3-6,6-2
ITF M25 Orlando 11/13 15:00 25 Nicolas Alvarez v Alex Blumenberg 6-3,6-1
Challenger Montevideo 11/04 19:10 24 [335] Christian Lindell v Nicolas Alvarez [352] 6-2,6-4
Challenger Guayaquil 10/28 16:00 24 [357] Nicolas Alvarez v Guilherme Clezar [328] 2-6,3-6
Challenger Lima 10/22 01:25 24 [356] Nicolas Alvarez v Oscar Jose Gutierrez [369] 3-6,3-6

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.