A general view during the game between Italian Fabio Fognini and Spanish Daniel Gimeno-Traver at the Rio de Janeiro Open Tennis Tournament, in Rio de Janeiro, Brazil, 17 February 2016. The game was suspended by the rain. EPA/Antonio Lacerda

Spanish Albert Ramos-Vinolas in action against Spanish tennis player David Ferrer during a match of the Rio Tennis Open in Rio de Janeiro, Brazil, on 18 February 2016. EPA/Antonio Lacerda

Spanish tennis player Nicolas Almagro in action against Spanish tennis player Rafael Nadal during Rio Open 2016 in Rio de Janeiro, Brazil, 18 February 2016. EPA/Antonio Lacerda

French player Jo-Wilfried Tsonga in action against Brazilian Thiago Monteiro during the Rio Tennis Open in Rio de Janeiro, Brazil, 17 February 2016. EPA/Antonio Lacerda

Spanish David Ferrer in action against Spanish tennis player Albert Ramos-Vinolas during a match of the Rio Tennis Open in Rio de Janeiro, Brazil, on 18 February 2016. EPA/Antonio Lacerda