| Challenger - Concepcion | 02/15 16:35 | 25 | [272] Guilherme Clezar v Marcelo Tomas Barrios Vera [260] | 2-6,2-6 | |
| Challenger - Antalya - Kwal. | 01/31 10:15 | 14 | [285] Akira Santillan v Marcelo Tomas Barrios Vera [256] | 7-6,6-3 | |
| Challenger - Antalya - Kwal. | 01/27 13:30 | 14 | [282] Chun Hsin Tseng v Marcelo Tomas Barrios Vera [256] | 4-6,6-4,6-4 | |
| ATP - Delray Beach | 01/05 18:05 | 164 | [254] Marcelo Tomas Barrios Vera v Christian Harrison [293] | 4-6,4-6 | |
| Challenger - Campinas | 12/01 13:00 | 25 | [254] Marcelo Tomas Barrios Vera v Mohamed Safwat [157] | 7-5,2-6,2-6 | |
| Challenger - Lima | 11/28 18:00 | 28 | [277] Marcelo Tomas Barrios Vera v Daniel Elahi Galan [129] | 6-7,6-4,4-6 | |
| Challenger - Lima | 11/27 15:00 | 27 | [277] Marcelo Tomas Barrios Vera v Vit Kopriva [302] | 6-7,6-3,6-2 | |
| Challenger - Lima | 11/26 17:10 | 26 | [157] Juan P Varillas v Marcelo Tomas Barrios Vera [277] | 1-6,2-6 | |
| Challenger - Lima | 11/23 16:40 | 25 | Gonzalo Lama v Marcelo Tomas Barrios Vera | 6-7,6-3,2-6 | |
| Challenger - Guayaquil | 11/18 15:00 | 26 | [105] Andrej Martin v Marcelo Tomas Barrios Vera [278] | 6-4,6-1 | |
| Challenger - Guayaquil | 11/17 17:35 | 25 | Marcelo Tomas Barrios Vera v Thiago Agustin Tirante | 6-3,6-2 | |
| Challenger - Alicante | 10/15 09:00 | 26 | [274] Marcelo Tomas Barrios Vera v Juan Pablo Ficovich [200] | 3-6,0-6 | |
| Challenger - Alicante | 10/13 12:20 | 25 | [215] Tommy Robredo v Marcelo Tomas Barrios Vera [274] | 3-6,3-6 | |
| Challenger - Alicante | 10/11 08:30 | 164 | Carlos L-Montagud v Marcelo Tomas Barrios Vera | 2-6,0-6 | |
| Challenger - Alicante | 10/10 08:30 | 64 | Emilio Nava v Marcelo Tomas Barrios Vera | 2-6,0-6 | |
| Challenger - Barcelona | 10/07 10:55 | 26 | [109] Jaume Munar v Marcelo Tomas Barrios-Vera [282] | 3-6,7-5,6-1 | |
| Challenger - Barcelona | 10/05 10:00 | 25 | [282] Marcelo Tomas Barrios-Vera v Ernesto Escobedo [175] | 7-6,6-3 | |
| Challenger - Barcelona | 10/04 10:20 | 164 | [282] Marcelo Tomas Barrios-Vera v Renzo Olivo [209] | 6-4,4-6,6-1 | |
| Challenger - Barcelona | 10/03 08:30 | 26 | [190] Joao Menezes v Marcelo Tomas Barrios-Vera [282] | 5-7,4-6 | |
| Challenger - Split | 09/28 13:05 | 25 | [282] Marcelo T B Vera v Borna Gojo [270] | 6-4,3-6,4-6 | |
| Challenger - Split | 09/27 08:00 | 164 | [273] Guilherme Clezar v Marcelo T B Vera [284] | 2-6,3-6 | |
| Challenger - Split | 09/26 12:00 | 64 | Mili Poljicak v Marcelo T B Vera | 5-7,3-6 | |
| Challenger - Sibiu | 09/23 08:00 | 26 | [281] Borna Gojo v Marcelo Tomas Barrios Vera [284] | 6-1,6-7,6-4 | |
| Challenger - Sibiu | 09/22 09:50 | 25 | [287] Marcelo Tomas Barrios Vera v Adrian Menendez-Maceiras [262] | 6-2,6-3 | |
| Challenger - Iași | 09/16 08:50 | 26 | [258] Mathias Bourgue v Marcelo T B Vera [287] | 6-1,6-3 | |
| Challenger - Iași | 09/15 09:35 | 25 | [287] Marcelo T B Vera v Marius Copil [198] | 5-7,6-3,6-0 | |
| Davis Cup | 03/07 16:20 | 45 | Elias Ymer v Marcelo Tomas Barrios Vera | Cancelled | |
| Davis Cup | 03/06 16:00 | 45 | [67] Mikael Ymer v Marcelo Tomas Barrios Vera [282] | 6-2,6-3 | |
| ATP - Santiago | 02/26 19:40 | 26 | [300] Marcelo Tomas Barrios Vera v Hugo Dellien [94] | 3-6,6-7 | |
| ATP - Santiago | 02/24 23:20 | 25 | [300] Marcelo Tomas Barrios Vera v Carlos Taberner [175] | 4-6,6-4,6-2 |
Wikipedia - Tomás Barrios Vera
Marcelo Tomás Barrios Vera (Chillán, 10 december 1997) is een Chileens tennisser.