Aus Open PHOTOS: Federer, Djokovic, Zverev battle through, Sharapova to face Kerber; Muguruza, Wawrinka out

Images from matches played on Day 4 of the Australian Open at Melbourne Park on Thursday IMAGE: Roger Federer of Switzerland hits a shot against Jan-Lennard Struff of Germany. Photograph: Thomas......

PHOTOS: Big upsets on Day 4 at Australian Open

From potential dark horses to former champions, here are the players who were knocked out of  the Australian Open on Thursday Wawrinka sent out by Sandgren IMAGE: Switzerland's Stan Wawrinka......

Roddick romps in US Open tune-up

American Andy Roddick romped past lucky loser Edouard Roger-Vasselin 6-2, 6-4 to reach the third round of the Winston-Salem Open on Tuesday, and get his US Open preparations back on track. Roddick,......

World's top four set up Cincinnati showdowns

The world's top four players will face off at the Cincinnati Masters on Saturday as Roger Federer, Andy Murray, Rafa Nadal and Novak Djokovic go head-to-head in two mouth watering semi-finals.......

Federer, Murray on collision course

Roger Federer and Andy Murray moved towards a likely showdown at the Cincinnati Masters on Thursday while Rafael Nadal took another encouraging step on his return from injury by joining them in the......