It has been quite a week at the Rio Open with seeds falling every day but the biggest upset happened in the quarterfinals as top seed, Alexander Zverev crashed out.
RIO DE JANEIRO (AP) _ Results Friday from Rio Open presented by Claro at Jockey Club Brasileiro (seedings in parentheses): Sebastian Baez (5), Argentina, def. Chun Hsin Tseng, Taiwan, 6-4, 6-1. Camilo ...