Nadal, Djokovic advance in Acapulco

Nadal improved his record to 12-0 at this event, needing only 66 minutes to get past Lorenzi. Nadal broke Lorenzi’s serve five times and lost only five points on his serve, never facing a break point. Nadal’s opponent in the quarterfinals will be Yoshihito Nishioka of Japan, who eliminated Aussie Jordan Thompson 6-4, 3-6, 6-0. Nishioka defeated seventh-seeded Jack Sock in three sets in the first round. Top-seeded Novak Djokovic faced a strong challenge from Argentina’s Juan Martin del Potro on Wednesday, but the Serb emerged with a 4-6, 6-4, 6-4 victory. Next up for Djokovic is a quarterfinal matchup with sixth-seeded Nick Kyrgios of Australia, who defeated Donald Young of the United States 6-2, 6-4. American Sam Querrey recorded the biggest upset of the day, eliminating fifth-seeded David Goffin of Belgium 6-2, 6-3 in 69 minutes.