Djokovic through in Miami

Top seed Novak Djokovic made routine progress into the last eight of the Sony Ericsson Open in Miami with a straight-sets win over Richard Gasquet.

The Serb served six aces and broke serve three times to record a 7-5 6-3 win over the 17th seed and set up a quarter-final against David Ferrer, who beat Juan Martin Del Potro 6-3 6-3.