| ITF Greece F5 | 03/28 06:00 | 25 | Gage Brymer v Marcelo T B Vera | 2-6,0-6 | |
| ITF Greece F4 | 03/25 09:00 | 29 | Stefan Seifert v Marcelo Tomas Barrios Vera | 6-7,6-2,6-2 | |
| ITF Greece F4 | 03/24 11:00 | 28 | [447] Marcelo Tomas Barrios Vera v Baptiste Crepatte [452] | 6-4,6-0 | |
| ITF Greece F4 | 03/23 14:55 | 27 | Jonathan Gray v Marcelo Tomas Barrios Vera | 6-3,1-6,1-6 | |
| ITF Greece F4 | 03/23 10:20 | 26 | Andrej Glvac v Marcelo Tomas Barrios Vera | 3-6,2-6 | |
| ITF Greece F4 | 03/21 09:30 | 25 | Mitchell Thomas McDaniels v Marcelo Tomas Barrios Vera | 2-6,3-6 | |
| ITF Greece F3 | 03/18 11:00 | 29 | Marko Tepavac v Marcelo Tomas Barrios Vera | 6-3,7-5 | |
| ITF Greece F3 | 03/17 11:20 | 28 | Fran Zvonimir Zgombic v Marcelo Tomas Barrios Vera | 1-6,0-6 | |
| ITF Greece F3 | 03/16 09:00 | 27 | Neil Pauffley v Marcelo Tomas Barrios Vera | 3-6,2-6 | |
| ITF Greece F3 | 03/15 11:05 | 26 | Alan Kohen v Marcelo Tomas Barrios Vera | Retired | |
| ITF Greece F3 | 03/14 13:55 | 25 | Julian Ocleppo v Marcelo Tomas Barrios Vera | Retired | |
| Challenger - Santiago | 03/05 16:45 | 25 | Gastao Elias v Marcelo T B Vera | 7-6,6-4 | |
| Challenger Punta Del Este Qual | 02/25 14:00 | 46 | Gian Marco Moroni v Marcelo T B Vera | 6-1,3-6,6-2 | |
| Challenger Punta Del Este Qual | 02/24 14:00 | 45 | Ignacio Carou v Marcelo T B Vera | 3-6,6-4,2-6 | |
| Challenger Morelos Qual | 02/18 21:30 | 54 | Marcelo T B Vera v Roberto Cid Subervi | 6-2,6-7,6-7 | |
| Challenger Morelos Qual | 02/18 17:00 | 46 | Marcelo T B Vera v Lucas Gomez | 6-4,6-4 | |
| Challenger Morelos Qual | 02/17 18:55 | 45 | Marcelo T B Vera v Francesco Ferrari | 7-6,2-6,6-3 | |
| ITF USA F5 | 01/28 17:00 | 29 | Fred Gil v Marcelo T B Vera | 2-6,0-6 | |
| ITF USA F5 | 01/27 16:00 | 28 | Roberto Cid Subervi v Marcelo T B Vera | 4-6,3-6 | |
| ITF USA F5 | 01/26 15:30 | 27 | Jaume Pla Malfeito v Marcelo T B Vera | 5-7,2-6 | |
| ITF USA F5 | 01/25 15:00 | 26 | Marcelo T B Vera v Julien Cagnina | 7-6,6-1 | |
| ITF USA F5 | 01/23 17:20 | 25 | Tim Van Rijthoven v Marcelo T B Vera | 2-6,2-6 | |
| ITF USA F4 | 01/20 15:00 | 28 | Naoki Nakagawa v Marcelo Tomas Barrios-Vera | 6-4,6-4 | |
| ITF USA F4 | 01/19 15:00 | 27 | Gonzalo Escobar v Marcelo Tomas Barrios-Vera | 4-6,4-6 | |
| ITF USA F4 | 01/18 15:00 | 26 | Marcelo Tomas Barrios-Vera v Tim Van Rijthoven | 7-5,6-2 | |
| ITF USA F4 | 01/17 15:00 | 25 | Genaro Alberto Olivieri v Marcelo Tomas Barrios-Vera | 1-6,3-6 | |
| ITF Peru F2 | 12/22 19:40 | 28 | [431] Matias Zukas v Marcelo Tomas Barrios Vera [481] | 0-6,6-4,6-3 | |
| 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 |
Wikipedia - Tomás Barrios Vera
Marcelo Tomás Barrios Vera (født 10. december 1997 i Chillán, Chile) er en professionel tennisspiller fra Chile.