Defending champion Andy Murray and 10-time French Open winner Rafael Nadal both moved to the third at Wimbledon with a straight-sets wins on Wednesday.
Fifth seed Stan Wawrinka suffered a shock defeat to Daniil Medvedev of Russia 6-4, 3-6, 6-4, 6-1 in the opening day's competition of the Wimbledon Championships on Monday.
Andy Murray beat fourt-time defending champion Novak Djokovic in straight sets at London's O2 Arena on Sunday to win the ATP World Tour Finals title and also secure year-end No 1 in the world rankings.
Britain's Andy Murray won his first China Open title, and the 40th of his career, in a 6-4, 7-6(2) showdown with Bulgarian Grigor Dimitrov in Beijing on Sunday.
Roger Federer and Rafael Nadal on Tuesday joined Wimbledon champion Andy Murray to pull out of next week's Toronto Masters.
Wimbledon: Federer, Murray reach semi-finals
The world's top two players Novak Djokovic and Andy Murray were both hardly tested before reaching third round at the Shanghai Rolex Masters tennis tournament on Wednesday.
Andy Murray watched a 130 mph ace zoom by to create a two-set deficit at the US Open, and then sat in his changeover chair and cursed at himself, over and over and over.
Britain's Andy Murray celebrated both the end of a losing streak to Novak Djokovic and the birth of coach Amelie Mauresmo's child on Sunday at the ATP Montreal Masters.
Andy Murray is back on hard courts for the first time in four months - and back at the Citi Open for the first time in nine years.
Highlights of Wimbledon quarterfinal
Andy Murray beat Rafael Nadal on clay for the first time Sunday, dominating the Madrid Open final to win 6-3, 6-2 against the four-time champion.