Two of tennis' historic superpowers led the action on day two at the Brisbane International, but not everything went according to plan for the Americans and Australians on the first day of the new year.
With all the upsets and withdrawals, the bottom half of the men's draw at Flushing Meadows is anyone's chance for a first-ever Grand Slam final. Learn a little more about these eight men as they vie for a historic spot for a Grand Slam final.
Seven-time Wimbledon champion Roger Federer has barely broken a sweat as he defeated 27th seed Mischa Zverev, 7-6(3), 6-4, 6-4 booking his place in the fourth round at Wimbledon for the 15th time in his career.
Seven-time Wimbledon champion Roger Federer continues his quest for a record-extending 19th Grand Slam singles title as he takes on 27th seed Mischa Zverev for the first time this year, and for a place in the fourth round on Manic Monday.
18-time Grand Slam champion Roger Federer who is currently playing in the quarterfinals at the Gerry Weber Open in Halle claims that his fellow former world number one and rival Rafael Nadal is "probably" one of the best players to grace a clay court.
Top seed Roger Federer continues his quest for a record-extending ninth title at the Gerry Weber Open in Halle, dispatching Germany's Mischa Zverev, 7-6 (4), 6-4 in one hour and 30 minutes, where he will face defending champion Florian Mayer in the quarterfinals.