Gauff has tried to clarify her comments about American tennis fans on social media just before her United Cup singles match against Spain's Jessica Bouzas Maneiro.

The new season's launch sees Munar and Bouzas-Maneiro look to build on strong campaigns for Spain.

“I didn’t think it would be possible for me to play a match against one of the Williams sisters!" the 22-year-old gushed at the Cincinnati Open.