Andy Murray beat Sam Querrey in four sets as Great Britain reached the Davis Cup quarter-finals for the first time since 1986.
Stanislas Wawrinka became the first man through to the second round of the Australian Open and was quickly followed by David Ferrer.
First round draw for the men's singles after qualifying at the Australian Open.
The father of Bernard Tomic may be banned from the Australian Open but it did not stop him cheering on his son in Sydney.
Tomas Berdych and Stanislas Wawrinka were both ousted from the Swiss Indoors event in Basel in surprise first-round results.
Roger Federer went out of the Shanghai Masters at the last-16 stage as he lost to world number 42 Gael Monfils.
Round-up: Novak Djokovic and Rafael Nadal were in superb form to advance to the last eight of the Shanghai Masters.
Round-up: Jo-Wilfried Tsonga slumped out of the Japan Open at the second round following a 6-4 7-6 loss to Ivan Dodig.
Tomas Berdych and Radek Stepanek put defending champions Czech Republic into the Davis Cup final at the expense of Argentina.
Radek Stepanek faces Argentina's Juan Monaco in the opening singles of the Czech Republic's Davis Cup semi-final.
Roger Federer and Serena Williams, stress-free and loving the limelight, strolled into the third round of the US Open.
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