World number two Novak Djokovic won on his return to the tour as he beat France's Gilles Simon in his opening match of the Monte Carlo Masters.
Novak Djokovic joined Roger Federer in the last four at the ATP World Tour Finals with victory over Tomas Berdych in London.
World number one Novak Djokovic beat Roger Federer in four dramatic sets to win his second US Open and 10th Grand Slam title.
Andy Murray suffered his earliest Grand Slam exit for five years as he lost a gruelling fourth-round contest against 15th seed Kevin Anderson.
Serena Williams saw off a significant threat to her Grand Slam hopes with victory over 19th seed Madison Keys at the US Open.
Andy Murray has been seeded third at next week's US Open as he bids to regain the title he won in 2012.
Andy Murray's Cincinnati Masters bid ended at the semi-final stage as Roger Federer recorded a 6-4 7-6 (8-6) win.
Britain's Andy Murray swept past Kei Nishikori to reach the final of the Rogers Cup in Montreal and guarantee a return to second in the world rankings.
Bernard Tomic could be reinstated to the Australia team for the Davis Cup semi-final against Great Britain in September, with Tennis Australia seeking "clear the air" talks with him.