The quarterfinal lineup of the 2011 Miami Masters – Sony Ericsson Open has been determined. The world’s top three players are still in contention for the title but they will certainly face tough competition at this point of the tournament.
World number three Roger Federer will face France’s Gilles Simon for a place in the final four. The Swiss star currently holds the head-to-head record lead at 2-1 and their recent match was at this year’s Australian Open with Federer prevailing in five sets.
