| ITF Peru F1 | 12/14 21:30 | 27 | Nicolas Alvarez v Barrios Vera, Marcelo Tomas | 7-6,6-4 | |
| ITF Peru F1 | 12/13 19:00 | 26 | [480] Barrios Vera, Marcelo Tomas v Zukas, Matias [454] | 6-3,1-6,6-4 | |
| ITF Peru F1 | 12/12 19:00 | 25 | Barrios Vera, Marcelo Tomas v Merino, Alexander | 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 | Torre, Eduardo Agustin v Tomas Barrios Vera | 1-6,2-6 | |
| ITF Chile F3 | 12/06 16:10 | 26 | Hidalgo, Gabriel Alejandro 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 Varillas, Juan Pablo [472] | 6-4,3-6,6-3 | |
| ITF Chile F2 | 12/02 16:40 | 28 | Saez, Juan Carlos v Tomas Barrios Vera | 7-5,3-6,7-6 | |
| ITF Chile F2 | 12/01 17:55 | 27 | [449] Barrios Vera, Marcelo Tomas v Alejandro Tabilo [447] | 6-2,6-2 | |
| ITF Chile F2 | 11/29 17:25 | 26 | Vernier, Michel v Barrios Vera, Marcelo Tomas | 6-4,2-6,2-6 | |
| ITF Chile F2 | 11/27 15:30 | 25 | Barrios Vera, Marcelo Tomas v Bruna, Esteban | 6-1,6-3 | |
| Challenger Guayaquil Qual | 10/28 18:40 | 45 | [450] Barrios Vera, Marcelo Tomas v Gonzalez, Alejandro [388] | 6-4,4-6,3-6 | |
| Challenger Cali 2 Qual | 10/15 18:10 | 54 | Barrios Vera, Marcelo Tomas v Gonzalo Lama | 3-6,2-6 | |
| Challenger Cali 2 Qual | 10/14 23:05 | 46 | [331] Facundo Mena v Barrios Vera, Marcelo Tomas [394] | 1-6,1-6 | |
| ITF Bolivia F2 | 09/29 20:00 | 28 | Barrios Vera, Marcelo Tomas v Mantilla, Felipe | 3-6,4-6 | |
| ITF Bolivia F2 | 09/28 19:00 | 27 | Barrios Vera, Marcelo Tomas v Galarza, Juan Ignacio | 6-3,6-4 | |
| ITF Bolivia F2 | 09/27 18:30 | 26 | [397] Barrios Vera, Marcelo Tomas v Echazu, Mauricio [440] | 7-5,6-3 | |
| ITF Bolivia F2 Qual | 09/25 18:30 | 25 | Tomas Barrios Vera v Saez, Juan Carlos | 6-4,7-6 | |
| ITF Bolivia F1 | 09/22 15:00 | 27 | [499] Zukas, Matias v Barrios Vera, Marcelo Tomas [403] | 6-7,6-2,6-4 | |
| ITF Bolivia F1 | 09/20 15:20 | 26 | [412] Boris Arias v Barrios Vera, Marcelo Tomas [403] | 6-1,1-6,2-6 | |
| ITF Bolivia F1 | 09/19 17:25 | 25 | Fleming, David v Barrios Vera, Marcelo Tomas | 2-6,3-6 | |
| ITF Mexico F4 | 05/16 21:25 | 25 | [429] Barrios Vera, Marcelo Tomas v Echazu, Mauricio [482] | Retired | |
| ITF Mexico F3 | 05/12 21:30 | 28 | [451] Scholtz, Nicolaas v Barrios Vera, Marcelo Tomas [427] | 6-3,7-6 | |
| ITF Mexico F3 | 05/11 23:30 | 27 | Barrios Vera, Marcelo Tomas v Harrison Adams | 6-4,7-6 | |
| ITF Mexico F3 | 05/10 20:20 | 26 | Barrios Vera, Marcelo Tomas v Lamble, John | 6-2,6-2 | |
| ITF Mexico F3 | 05/08 18:30 | 25 | [427] Barrios Vera, Marcelo Tomas v Oscar Jose Gutierrez [350] | 6-4,6-4 | |
| ITF Mexico F2 | 05/01 20:00 | 25 | Barrios Vera, Marcelo Tomas v Severino, Carlos Eduardo | 5-7,2-6 | |
| ITF Greece F4 | 04/01 06:30 | 27 | Marcelo Tomas Barrios Vera v Hess-Olesen, Soren | 3-6,6-7 | |
| ITF Greece F4 | 03/30 06:30 | 26 | [457] Marcelo Tomas Barrios Vera v Andrea Vavassori [343] | 4-6,7-6,6-3 |
Wikipedia - Tomás Barrios Vera
Marcelo Tomás Barrios Vera, né le à Chillán, est un joueur de tennis chilien, professionnel depuis 2015.