In the semifinals at the Rio Open presented by Claro on Saturday, Francisco Comesana (ranked No. 86) faces Alexandre Muller ...

Francisco Comesana (No. 86 ranking) will take on Alexandre Muller (No. 60) in the semifinals at the Rio Open presented by ...

Friday's win in Rio de Janeiro is the 24-year-old Francisco Comesana's first victory over a top-five ranked opponent.

Sebastian Baez (No. 31 in the world) meets Camilo Ugo Carabelli (No. 91) in the semifinals at the Rio Open presented by Claro ...

Juan Martin del Potro, who called time on his career in December, was quizzed over Jannik Sinner's doping case at the ATP 500 Brazilian Open in Rio de Janeiro.

A bizarre moment unfolded during the Rio Open quarterfinal between Alexander Zverev and Francisco Comesaña when a drone flew over the court, disrupting play.

RIO DE JANEIRO (AP) _ Results Saturday from Rio Open presented by Claro at Jockey Club Brasileiro (seedings in parentheses): Sebastian Baez (5), Argentina, def. Camilo Ugo Carabelli, Argentina, 3-6, 6 ...

Argentina's world number 86, Francisco Comesana delivered a stunning performance at the Rio Open on Friday. He defeated the ...

Germany's Alexander Zverev advanced to the Rio Open quarter-finals after overcoming the heat and an arduous match against ...

RIO DE JANEIRO — Teenage tennis sensation João Fonseca frustrated his home fans at the Rio Open in a first-round loss Tuesday, two days after winning his first ATP title. Fonseca lost 6-1 ...

Argentinian Francisco Comesana stunned Australian Open finalist and world number two Alexander Zverev on Friday with a 4-6 ...

Alexander Zverev (No. 2 ranking) will face Francisco Comesana (No. 86) in the quarterfinals at the Rio Open presented by ...