Top-seeded Roger Federer again had to fight back from a set down before beating Denis Istomin 3-6, 6-3, 6-4 to reach the quarterfinals of the Swiss Indoors on Thursday.
Rafael Nadal continued his comeback from injury with a 6-1, 6-1 win against unheralded Frenchman Pierre-Hugues Herbert on Wednesday to reach the Swiss Indoors quarterfinals.
Fourth-seeded Milos Raonic hit 12 aces and saved all five break points he faced as he beat Steve Johnson of the United States 7-6 (4), 6-4 in the first round of the Swiss Indoors on Tuesday.
Rafael Nadal marked his return to the Swiss Indoors after a 10-year absence with a 6-2, 6-2 win over Italian qualifier Simone Bolelli in the first round on Monday.
Fernando Verdasco is through to the second round of the Stockholm Open after beating Marinko Matosevic of Australia 6-3, 3-6, 6-3 on Tuesday.
US Open champion Marin Cilic was eliminated in the first round of the Shanghai Masters, losing to Ivo Karlovic 7-5, 2-6, 7-6 (2) Monday.
Fourth-seeded Kei Nishikori beat Donald Young of the United States 6-4, 7-6 (4) on Thursday to advance to the quarterfinals of the Japan Open.
Fourth-seeded Kei Nishikori of Japan beat Ivan Dodig of Croatia 6-3, 6-4 to advance to the second round of the Japan Open on Wednesday.
Japanese wildcard entry Tatsuma Ito upset Australian Open champion Stan Wawrinka 7-5, 6-2 on Tuesday to advance to the second round of the Japan Open.
American tennis took more blows during the first week of the US Open, reinforcing some questions about big names and raising more uncomfortable ones, writes Howard Bryant.
You might not believe it, there was a time when American men dominated. So what happened?
American John Isner made short work of his third-round match Wednesday in the Winston-Salem Open, beating Kazakhstan's Mikhail Kukushkin 6-1, 7-6 (7-3).
John Isner admits that he usually has a rough time in his first tournament match.
Milos Raonic wasn't perfect. He didn't need to be to advance in the Rogers Cup.
Roger Federer rolled to a 6-2, 6-0 victory over wild card Peter Polansky in the second round of the Rogers Cup, and Stan Wawrinka, Ernests Gulbis and Richard Gasquet also advanced in the U.S. Open tuneup on Tuesday.
In the latest sign of a surge for Canadian tennis, Milos Raonic and Vasek Pospisil will meet for the Citi Open title Sunday, marking the first tour final between two men from the country.