Defending champion Angelique Kerber withstands an onslaught from fellow German Carina Witthoeft to advance in Melbourne.
Non-league Sutton set up a glamorous FA Cup fourth-round home tie against Leeds with a thrilling win at 10-man AFC Wimbledon.
Manchester City midfielder Yaya Toure turns down a £430,000-a-week offer from the Chinese Super League.
Marco Fu beats Judd Trump 6-5 in a thrilling final-frame decider to reach the quarter-finals of the Masters.
Manchester City defender Bacary Sagna is fined £40,000 by the Football Association for a comment he posted on social media.