It was another easy day for second seed Roger Federer on day six of the US Open as German Philipp Kohlschreiber proved no match for the Swiss man to kept up his quest of a sixth US Open title.
Kohlschreiber may have become the first man to break Federer at this year’s tournament but the experience of Federer was too much for the German to handle as the world number two recorded another straight sets win 6-3 6-4 6-4 to advance to the last 16.
Fellow Swiss man Stan Wawrinka also encountered no problems as he joined his countryman in comfortably booking his place in the next round, after the French Open champion breezed past Belgian Ruben Bemelmans in straight sets 6-3 7-6(5) 6-4.
It was also another comfortable win for third seed Andy Murray who joined the Swiss duo in advancing to the last 16, as he saw off Brazil’s Thomaz Bellucci with a 6-3 6-2 7-5 straight sets victory for the Scot.
Sixth seed Tomas Berdych came from set down to book his spot in the fourth round as he saw off the tough challenge of Spaniard Guillermo Garcia-Lopez to win in four sets 2-6 (3/7) 7-6 (9/7) 6-3 6-3.
Wimbledon semi-finalist Richard Gasquet booked his place in the next round after a comfortable 6-4 6-3 6-1 straight sets victory over Aussie Bernard Tomic, while John Isner is also through after Czech opponent Jiri Vesely retired injured with the American leading 6-3 6-4.
Donald Young joined his fellow American in advancing to the next round after the world number 68 stunned Serbian Viktor Troicki by fighting back from two sets down to edge a five set thriller 4-6 0-6 7-6 (7/3) 6-2 6-4.
In women’s action, two-time Wimbledon champion Petra Kvitova comfortably booked her spot in the last 16 after an easy 6-2 6-1 win over Anna Karolina Schmiedlova of Slovakia to keep hopes of a first US Open title alive.
Second seed Simona Halep is also through to the next round after a comfortable 6-2 6-3 win over American Shelby Rogers, while 20th seed Victoria Azarenka also booked her place in the last 16 after a hard-fought 7-5 2-6 6-4 win over Angelique Kerber of Germany.
There was some good news for Germany with Sabine Lisicki earned a hard-fought 6-4 4-6 7-5 win over Czech player Barbora Strycova to advance, while Sam Stosur battled past Italian Sara Errani for her spot in the last 16 with 7-5 2-6 6-1 victory for the Australian.
Great Britain’s Johanna Konta – who stunned Spaniard Garbine Muguruza in the second round – pulled off another major scalp by defeating 18th seed Andrea Petkovic 7-6 (7/2) 6-3 to reach the last 16.