| ITF - Peru F2 | 12/21 17:00 | 27 | Duilio Beretta v Marcelo Tomas Barrios Vera | 2-6,6-4,2-6 | |
| ITF - Peru F2 | 12/20 18:10 | 26 | Nicolas Alberto Arreche v Marcelo Tomas Barrios Vera | 4-6,4-6 | |
| ITF - Peru F2 | 12/18 22:00 | 25 | [481] Marcelo Tomas Barrios Vera v Daniel Dutra Da Silva [333] | 7-6,6-2 | |
| ITF - Peru F1 | 12/14 21:30 | 27 | Nicolas Alvarez v Marcelo T B Vera | 7-6,6-4 | |
| ITF - Peru F1 | 12/13 19:00 | 26 | [480] Marcelo T B Vera v Matias Zukas [454] | 6-3,1-6,6-4 | |
| ITF - Peru F1 | 12/12 19:00 | 25 | Marcelo T B Vera v Alexander Merino | 7-5,6-1 | |
| ITF - Chile F3 | 12/09 14:00 | 29 | [433] Alejandro Tabilo v Marcelo Tomas Barrios Vera [453] | 7-5,6-7,2-6 | |
| ITF - Chile F3 | 12/08 13:00 | 28 | [453] Marcelo Tomas Barrios Vera v Mariano Kestelboim [409] | 6-4,6-1 | |
| ITF - Chile F3 | 12/07 17:35 | 27 | Eduardo Agustin Torre v Tomas Barrios Vera | 1-6,2-6 | |
| ITF - Chile F3 | 12/06 16:10 | 26 | Gabriel A Hidalgo v Marcelo Tomas Barrios Vera | 6-4,3-6,4-6 | |
| ITF - Chile F3 | 12/04 18:55 | 25 | [453] Marcelo Tomas Barrios Vera v Juan P Varillas [472] | 6-4,3-6,6-3 | |
| ITF - Chile F2 | 12/02 16:40 | 28 | Juan Carlos Saez v Tomas Barrios Vera | 7-5,3-6,7-6 | |
| ITF - Chile F2 | 12/01 17:55 | 27 | [449] Marcelo T B Vera v Alejandro Tabilo [447] | 6-2,6-2 | |
| ITF - Chile F2 | 11/29 17:25 | 26 | Michel Vernier v Marcelo T B Vera | 6-4,2-6,2-6 | |
| ITF - Chile F2 | 11/27 15:30 | 25 | Marcelo T B Vera v Esteban Bruna | 6-1,6-3 | |
| Challenger - Guayaquil - Qualificação | 10/28 18:40 | 45 | [450] Marcelo T B Vera v Alejandro Gonzalez [388] | 6-4,4-6,3-6 | |
| Challenger - Cali 2 - Qualificação | 10/15 18:10 | 54 | Marcelo T B Vera v Gonzalo Lama | 3-6,2-6 | |
| Challenger - Cali 2 - Qualificação | 10/14 23:05 | 46 | [331] Facundo Mena v Marcelo T B Vera [394] | 1-6,1-6 | |
| ITF - Bolívia F2 | 09/29 20:00 | 28 | Marcelo T B Vera v Felipe Mantilla | 3-6,4-6 | |
| ITF - Bolívia F2 | 09/28 19:00 | 27 | Marcelo T B Vera v Juan I. Galarza | 6-3,6-4 | |
| ITF - Bolívia F2 | 09/27 18:30 | 26 | [397] Marcelo T B Vera v Mauricio Echazu [440] | 7-5,6-3 | |
| ITF - Bolívia F2 - Qualificação | 09/25 18:30 | 25 | Tomas Barrios Vera v Juan Carlos Saez | 6-4,7-6 | |
| ITF - Bolívia F1 | 09/22 15:00 | 27 | [499] Matias Zukas v Marcelo T B Vera [403] | 6-7,6-2,6-4 | |
| ITF - Bolívia F1 | 09/20 15:20 | 26 | [412] Boris Arias v Marcelo T B Vera [403] | 6-1,1-6,2-6 | |
| ITF - Bolívia F1 | 09/19 17:25 | 25 | David Fleming v Marcelo T B Vera | 2-6,3-6 | |
| ITF - México F4 | 05/16 21:25 | 25 | [429] Marcelo T B Vera v Mauricio Echazu [482] | Retired | |
| ITF - México F3 | 05/12 21:30 | 28 | [451] Nicolaas Scholtz v Marcelo T B Vera [427] | 6-3,7-6 | |
| ITF - México F3 | 05/11 23:30 | 27 | Marcelo T B Vera v Harrison Adams | 6-4,7-6 | |
| ITF - México F3 | 05/10 20:20 | 26 | Marcelo T B Vera v John Lamble | 6-2,6-2 | |
| ITF - México F3 | 05/08 18:30 | 25 | [427] Marcelo T B Vera v Oscar Jose Gutierrez [350] | 6-4,6-4 |
Wikipedia - Tomás Barrios Vera
Marcelo Tomás Barrios Vera (Latin American Spanish: [maɾˈselo toˈmas ˈβarjos ˈβeɾa]; born 10 December 1997), also known as Tomás Barrios, is a Chilean professional tennis player. Barrios has a career high ATP rankings in singles of World No. 93 achieved on 15 January 2024 and in doubles of World No. 217 achieved on 28 February 2022.
He has won three Challenger titles, at Meerbusch (2021), San Luis Potosí and Florianópolis (2023).