Paraguayan tennis player Adolfo Daniel Vallejo apologised for the remarks he made about the woman umpire who officiated his second-round defeat at the French Open.

Paraguay's Adolfo Daniel Vallejo was facing French teenager Moise Kouame in the second round on Thursday in what turned out to be one of the matches of the tournament so far.

Adolfo Daniel Vallejo was beaten in five sets by French teenager Moise Kouame