Federer loses to Djokovic in Miami Tennis semi

WASHINGTON: Swiss Roger Federer suffered a 3-6, 6-2 and 6-3 defeat to Serbia''s Novak Djokovic in the semifinal of the Miami Tennis tournament.

Djokovic, ranked third, will play the winner between Britain''s Andy Murray and Argentine Juan Martin Del Potro in Sunday''s final.

The former world No. 1 won the first set comfortably against an error-prone Djokovic in 25 minutes, but faded badly in the second as he made a total of 47 unforced errors.

The Swiss won just 57 percent of first serve points in the second and it got worse in the third as Djokovic broke at the first attempt.