Rematches became repeats Tuesday for Roger Federer and Maria Sharapova. Both lost.
Guillermo Canas upset top-ranked Federer for the second time this month, 7-6 (2), 2-6, 7-6 (5) in the fourth round of the Sony Ericsson Open in Key Biscayne, Fla.
Serena Williams beat Sharapova 6-1, 6-1 in a rout reminiscent of their Australian Open final two months ago.
With that, both No. 1-seeded players were eliminated.
Two weeks ago, Canas ended Federer’s 41-match winning streak at Indian Wells, Calif. The dogged Argentine showed Tuesday that victory was no fluke, repeatedly chasing down shots and forcing a frustrated Federer into 51 unforced errors.
– No. 2 Rafael Nadal will skip Spain’s Davis Cup quarterfinal against the U.S. next month due to a foot injury.
