| Challenger - Santiago | 10/14 20:55 | 26 | Diego F Flores v Marcelo Tomas Barrios Vera | 0-6,1-6 | |
| Challenger - Santiago | 10/12 20:15 | 25 | [350] Lucas Catarina v Marcelo Tomas Barrios Vera [154] | 5-7,2-6 | |
| Challenger - Santiago | 10/05 20:30 | 25 | [360] Facundo D Acosta v Marcelo Tomas Barrios Vera [154] | 6-3,5-7,6-1 | |
| Challenger - Sevilla | 09/10 19:20 | 28 | [172] Marcelo Tomas Barrios Vera v Roberto Carballes Baena [95] | 1-6,3-6 | |
| Challenger - Sevilla | 09/09 17:00 | 27 | [74] Pablo Andujar v Marcelo Tomas Barrios Vera [172] | 6-7,6-2,4-6 | |
| Challenger - Sevilla | 09/08 15:00 | 26 | [272] Jack Draper v Marcelo Tomas Barrios Vera [172] | Retired | |
| Challenger - Sevilla | 09/06 11:00 | 25 | [351] Nikolas S Izquierdo v Marcelo Tomas Barrios Vera [172] | 6-4,2-6,5-7 | |
| Challenger - Mallorca | 09/02 14:30 | 26 | [316] Michael Geerts v Marcelo Tomas Barrios Vera [172] | 4-6,6-2,6-1 | |
| Challenger - Mallorca | 09/01 14:00 | 25 | Nicolas Alvarez Varona v Marcelo Tomas Barrios Vera | 4-6,6-7 | |
| US Open | 08/25 16:55 | 14 | [118] Botic Van De Zandschulp v Marcelo Tomas Barrios Vera [172] | 6-7,6-2,6-2 | |
| Challenger - Meerbusch | 08/15 12:00 | 29 | [193] Marcelo T B Vera v Juan Manuel Cerundolo [148] | 7-6,6-3 | |
| Challenger - Meerbusch | 08/14 12:20 | 28 | [193] Marcelo T B Vera v Robin Haase [226] | 6-3,4-6,6-2 | |
| Challenger - Meerbusch | 08/13 15:45 | 27 | [124] Daniel Altmaier v Marcelo T B Vera [193] | 4-6,6-1,6-7 | |
| Challenger - Meerbusch | 08/12 08:00 | 26 | Nicola Kuhn v Marcelo T B Vera | Walkover | |
| Challenger - Meerbusch | 08/09 11:05 | 25 | [197] Marcelo T B Vera v Sumit Nagal [159] | 7-5,4-6,6-3 | |
| Challenger - Cordenons | 08/06 13:20 | 27 | [175] Marc-Andrea Huesler v Marcelo Tomas Barrios-Vera [197] | 6-1,6-7,6-4 | |
| Challenger - Cordenons | 08/04 17:00 | 26 | [197] Marcelo Tomas Barrios-Vera v Gian Marco Moroni [232] | 6-4,7-6 | |
| Challenger - Cordenons | 08/03 10:20 | 25 | [236] Joao Menezes v Marcelo Tomas Barrios-Vera [197] | 6-3,4-6,1-6 | |
| Olympische Spiele 2020 - Herren | 07/24 03:55 | 24 | [68] Jeremy Chardy v Marcelo Tomas Barrios Vera [195] | 6-1,7-6 | |
| Wimbledon | 06/28 14:30 | 23 | [209] Marcelo Tomas Barrios Vera v Kevin Anderson [102] | 7-6,4-6,4-6,6-7 | |
| Wimbledon | 06/24 12:00 | 19 | [105] Kamil Majchrzak v Marcelo Tomas Barrios Vera [210] | 4-6,6-4,6-7,3-6 | |
| Wimbledon | 06/23 14:05 | 19 | [232] Marcelo Tomas Barrios Vera v Enzo Couacaud [167] | 7-6,7-6 | |
| Wimbledon | 06/22 11:15 | 14 | [232] Marcelo Tomas Barrios Vera v Mitchell Krueger [193] | 7-6,7-6 | |
| Challenger - Almaty | 06/19 08:30 | 29 | [232] Marcelo Tomas Barrios Vera v Jesper De Jong [319] | 1-6,2-6 | |
| Challenger - Almaty | 06/18 06:35 | 28 | [115] Andrej Martin v Marcelo Tomas Barrios Vera [232] | 3-6,0-6 | |
| Challenger - Almaty | 06/17 05:30 | 27 | [270] Pavel Kotov v Marcelo Tomas Barrios Vera [232] | 3-6,6-2,4-6 | |
| Challenger - Almaty | 06/16 06:35 | 26 | [232] Marcelo Tomas Barrios Vera v Dmitry Popko [186] | 6-4,6-1 | |
| Challenger - Almaty | 06/15 06:00 | 25 | [232] Marcelo Tomas Barrios Vera v Vladyslav Orlov [374] | 7-6,6-2 | |
| Challenger - Almaty | 06/08 04:00 | 25 | [259] Zizou Bergs v Marcelo T B Vera [231] | 2-6,7-6,6-3 | |
| French Open | 05/26 13:55 | 15 | [230] Marcelo Tomas Barrios Vera v Tobias Kamke [239] | 4-6,2-6 |
Wikipedia - Tomás Barrios Vera
Marcelo Tomás Barrios Vera (* 10. Dezember 1997 in Santiago de Chile) ist ein chilenischer Tennisspieler.