| ITF - M25 - Sabadell | 05/01 09:30 | 25 | Nicolas Alvarez Varona v Nino Serdarusic | Retired | |
| ATP - Barcelona | 04/13 11:55 | 45 | Nicolas Alvarez Varona v Hugo Grenier | 6-7,2-6 | |
| Challenger - Girona | 03/26 13:00 | 25 | Marco Trungelliti v Nicolas Alvarez Varona | 7-5,1-6,7-5 | |
| Challenger - Girona | 03/24 11:40 | 14 | Joao Sousa v Nicolas Alvarez Varona | Cancelled | |
| Challenger - Murcia | 03/21 14:50 | 26 | Bu Yunchaokete v Nicolas Alvarez Varona | 7-6,6-3 | |
| Challenger - Murcia | 03/19 14:20 | 25 | Nicolas Alvarez Varona v Stefano Napolitano | 6-0,2-6,6-4 | |
| Challenger - Murcia | 03/18 10:00 | 19 | Raul Brancaccio v Nicolas Alvarez Varona | 4-6,3-6 | |
| Challenger - Murcia | 03/17 12:05 | 14 | Nicolas Alvarez Varona v Carlos Lopez Montagud | 6-4,5-7,6-4 | |
| ITF - M15 - Antalya | 03/05 08:20 | 62 | Nicolas Alvarez Varona v Dinko Dinev | 6-7,4-6 | |
| ITF - M15 - Antalya | 03/04 08:35 | 62 | Nicolas Alvarez Varona v Leonardo Borrelli | 6-3,6-3 | |
| ITF - M15 - Antalya | 03/03 07:00 | 62 | Nicolas Alvarez Varona v Umut Kaan Yenilmez | 6-4,6-4 | |
| Challenger - Oeiras | 01/09 12:20 | 25 | Nicolas Alvarez Varona v Elmer Moller | Retired | |
| Challenger - Oeiras | 01/09 10:00 | 25 | Nicolas Alvarez Varona v Oscar Otte | Cancelled | |
| Challenger - Oeiras | 01/02 14:20 | 25 | Nicolas Alvarez Varona v Paul Jubb | 5-7,2-6 | |
| Challenger - Maspalomas | 11/28 12:25 | 25 | Nicolas Alvarez Varona v Kilian Feldbausch | Retired | |
| Challenger - Valencia | 11/20 11:40 | 19 | Miguel Damas v Nicolas Alvarez Varona | 6-1,6-0 | |
| Challenger - Valencia | 11/19 12:30 | 14 | Nicolas Alvarez Varona v Lorenzo Giustino | 6-4,6-4 | |
| ITF - M15 - Valencia | 11/16 08:20 | 26 | Carlos Gimeno Valero v Nicolas Alvarez Varona | 6-1,3-6,6-4 | |
| ITF - M15 - Valencia | 11/14 11:00 | 25 | Nicolas Alvarez Varona v Alex M Pujolras | 6-2,6-7,6-2 | |
| ITF - M25 - Benicarló | 11/07 11:35 | 25 | Alejandro Moro Canas v Nicolas Alvarez Varona | 6-3,6-3 | |
| ITF - M15 - Castellon | 10/19 14:00 | 27 | Miguel Damas v Nicolas Alvarez Varona | 7-6,6-1 | |
| ITF - M15 - Castellon | 10/19 09:55 | 26 | Nikolay Nedelchev v Nicolas Alvarez Varona | 3-6,3-6 | |
| ITF - M15 - Castellon | 10/18 12:40 | 25 | Antonio Cayetano March v Nicolas Alvarez Varona | 2-6,3-6 | |
| ITF - M15 - Vigo | 10/13 13:15 | 27 | Nicolas Alvarez Varona v Alejo Sanchez Quilez | 1-6,6-7 | |
| ITF - M15 - Vigo | 10/12 14:35 | 26 | Nicolas Alvarez Varona v Tomas C Abasolo | 6-3,6-2 | |
| ITF - M15 - Vigo | 10/10 14:15 | 25 | Nicolas Alvarez Varona v Rafael I Luque | Retired | |
| Challenger - Murcia | 04/04 15:50 | 25 | [117] Borna Gojo v Nicolas Alvarez Varona [272] | 6-3,6-2 | |
| Challenger - Teneriffa - Qualifikation | 02/06 10:00 | 14 | [262] Nicolas Alvarez Varona v Oscar Jose Gutierrez [445] | 3-6,3-6 | |
| Challenger - Teneriffa | 02/04 13:00 | 28 | [290] Nicolas Alvarez Varona v Matteo Arnaldi [130] | 3-6,4-6 | |
| Challenger - Teneriffa | 02/03 11:00 | 27 | [290] Nicolas Alvarez Varona v Alejandro Moro Canas [312] | 1-6,6-2,6-3 |
Nicolás Álvarez Varona (* 18. Mai 2001 in Burgos) ist ein spanischer Tennisspieler.