| 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 | |
| Challenger Santo Domingo | 10/08 20:00 | 25 | [203] Andrea Collarini v Nicolas Alvarez [365] | 6-7,6-4,6-1 | |
| Challenger Santo Domingo | 10/08 01:50 | 24 | [365] Nicolas Alvarez v Jordi Arconada [433] | 6-3,6-0 | |
| Challenger Campinas | 10/04 15:00 | 27 | [391] Nicolas Alvarez v Juan Pablo Ficovich [325] | 1-6,3-6 | |
| Challenger Campinas | 10/03 16:05 | 26 | [362] Pedro Sakamoto v Nicolas Alvarez [391] | 1-6,2-6 | |
| Challenger Campinas | 10/01 16:20 | 25 | [391] Nicolas Alvarez v Jeremy Jahn [278] | 6-4,6-2 | |
| Challenger Campinas | 09/30 16:45 | 24 | Gilbert Klier Junior v Nicolas Alvarez | 2-6,3-6 | |
| Challenger Buenos Aires | 09/24 17:30 | 25 | [395] Nicolas Alvarez v Thiago Seyboth Wild [334] | 4-6,4-6 |
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.