Marin Cilic won his first match since returning from a doping ban with a 5-7 6-1 6-4 success against Igor Sijsling in Paris.
Round-up: Roger Federer came from a set down to beat world number 48 Denis Istomin 4-6 6-3 6-2.
Tomas Berdych and Stanislas Wawrinka were both ousted from the Swiss Indoors event in Basel in surprise first-round results.
Roger Federer put his recent poor form behind him to beat Adrian Mannarino 6-4 6-2 in his home city of Basel.
Andy Murray ground his way past Denis Istomin with a 6-7(5) 6-1 6-4 6-4 victory to reach the US Open quarter-finals.
Stanislas Wawrinka powered through a high-quality match against Tomas Berdych to reach the US Open quarter-finals.
Order of play for day nine of the US Open, with Andy Murray, Novak Djokovic, Serena Williams and Victoria Azarenka on court.
Serena Williams, Andy Murray and Novak Djokovic ensured normal service resumed at the last Grand Slam of year.
Andy Murray sailed along after winning a first-set tiebreaker to defeat Florian Mayer in straight sets to progress to round four.
Round-up: Grigor Dimitrov knocked out 13th seed Nicolas Almagro on a day of upsets at the Cincinnati Masters.
Round-up: Novak Djokovic and Rafael Nadal remained on course for a potential semi-final meeting at the Rogers Cup in Montreal.
Andy Murray won his first match since triumphing at Wimbledon to get his Rogers Cup campaign underway in Montreal.
Rafael Nadal returned to court with an emphatic 6-2 6-0 win over Canadian Jesse Levine to open his Rogers Cup campaign in Montreal.
Round-up: Florian Mayer defied his journeyman status to knock Bernard Tomic out in the first round of the Montreal Masters.
Novak Djokovic cruised past Germany's Florian Mayer 6-3 7-5 6-4 to reach the second round of Wimbledon.
ATP World Tour Finals
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