Summary
Replay: Watch a selection of today's matches using the 'Live Coverage' tab
Matches include Muller v Federer, Kerber v Watson and Wawrinka v Lu
See the best of today's action in Highlights
Relive day four in the live text below
Replay: Watch a selection of today's matches using the 'Live Coverage' tab
Matches include Muller v Federer, Kerber v Watson and Wawrinka v Lu
See the best of today's action in Highlights
Relive day four in the live text below