| ITF Greece F4 | 03/28 11:35 | 25 | [457] Marcelo Tomas Barrios Vera v Jonny O'Mara [348] | 6-4,6-3 | |
| ITF Greece F3 | 03/26 08:00 | 29 | [457] Marcelo Tomas Barrios Vera v Marek Jaloviec [302] | 2-6,5-7 | |
| ITF Greece F3 | 03/25 08:30 | 28 | Alex Molcan v Marcelo Tomas Barrios Vera | 4-6,3-6 | |
| ITF Greece F3 | 03/24 07:30 | 27 | [457] Marcelo Tomas Barrios Vera v Temur Ismailov [408] | 7-5,6-7,6-2 | |
| ITF Greece F3 | 03/23 07:30 | 26 | Benjamin Bonzi v Marcelo Tomas Barrios Vera | 4-6,4-6 | |
| ITF Greece F3 | 03/22 13:00 | 25 | Dominik Kellovsky v Marcelo Tomas Barrios Vera | 4-6,4-6 | |
| ITF Greece F2 | 03/15 12:45 | 25 | Lenny Hampel v Marcelo Tomas Barrios Vera | Cancelled | |
| Challenger - Santiago | 03/06 20:00 | 25 | Joao Souza v Marcelo T B Vera | 6-3,6-4 | |
| Challenger Morelos Qual | 02/19 16:30 | 54 | Marcelo T B Vera v Gonzalo Escobar | 3-6,6-7 | |
| Challenger Morelos Qual | 02/18 18:05 | 46 | Marcelo T B Vera v Alan F R Fierros | 6-1,4-6,6-4 | |
| Challenger Tempe Qual | 02/13 17:00 | 54 | Nicolas Jarry v Marcelo T B Vera | 6-2,6-0 | |
| Challenger Tempe Qual | 02/12 19:20 | 46 | Marcelo T B Vera v Matteo Viola | 6-4,6-2 | |
| Challenger Tempe Qual | 02/11 20:00 | 45 | Marcelo T B Vera v Jonathan Chang | 6-3,6-1 | |
| Cupa Davis | 02/05 14:00 | 27 | Jose Olivares v Marcelo Tomas Barrios Vera | 6-7,6-7 | |
| ITF Chile F6 | 12/08 14:00 | 27 | Genaro Alberto Olivieri v Marcelo T B Vera | 7-5,6-1 | |
| ITF Chile F6 | 12/07 18:05 | 26 | Alex Blumenberg v Marcelo T B Vera | 3-6,6-3,2-6 | |
| ITF Chile F6 | 12/06 20:50 | 25 | Facundo Juarez v Marcelo T B Vera | 2-6,7-5,3-6 | |
| ITF Chile F5 | 11/29 16:40 | 25 | Marcelo T B Vera v Esteban Bruna | 3-6,4-6 | |
| Challenger - Montevideo | 11/14 21:00 | 25 | Juan Ignacio Londero v Marcelo T B Vera | 6-0,6-1 | |
| Challenger - Bogota | 11/08 15:00 | 25 | Gonzalo Escobar v Marcelo T B Vera | 7-5,6-4 | |
| Challenger Bogota Qual | 11/06 18:30 | 54 | Marcelo T B Vera v Marcelo Zormann | 6-4,6-4 | |
| Challenger Bogota Qual | 11/05 21:00 | 46 | Marcelo T B Vera v Oscar Jose Gutierrez | 6-4,7-6 | |
| Challenger Bogota Qual | 11/05 15:00 | 45 | Marcelo T B Vera v Juan Sebastian Gomez | 6-0,6-2 | |
| Challenger Santiago 2 | 10/18 16:55 | 25 | Marcelo T B Vera v Leonardo Mayer | 4-6,4-6 | |
| ITF Colombia F5 | 10/13 14:00 | 27 | Marcelo T B Vera v Alejandro Gomez | 3-6,4-6 | |
| ITF Colombia F5 | 10/12 15:45 | 26 | Marcelo T B Vera v Geronimo Barrios | 6-2,4-6,6-4 | |
| ITF Colombia F5 | 10/11 20:50 | 25 | Tomas Barrios Vera v Caio Silva | 6-3,6-4 | |
| ITF Colombia F4 | 10/09 15:00 | 29 | Daniel Elahi Galan v Marcelo T B Vera | 6-4,3-6,6-7 | |
| ITF Colombia F4 | 10/08 16:30 | 28 | Marcelo T B Vera v Alejandro Gomez | 1-6,7-6,6-3 | |
| ITF Colombia F4 | 10/07 17:45 | 27 | Sebastian Serrano v Marcelo T B Vera | 2-6,1-6 |
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).