Jack Sock came through a pulsating "rollercoaster match" to beat German third seed Alexander Zverev and reach the last four at the ATP Finals. Eighth seed Sock won 6-4 1-6 6-4 to clinch second place in the Boris Becker Group ahead of Zverev, and set up a semi-final against Grigor Dimitrov. Roger
Tag: ATP Finals
ATP Finals: Six-time champion Roger Federer beats Alexander Zverev
Roger Federer was happy toshake off the challenge of 20-year-old Alexander Zverev and reach the last four at the season-ending ATP Finals in London. Federer, 36, proved the stronger in the final set winning 7-6 (8-6) 5-7 6-1. Germany's Zverev, seeded third, can still qualify for the semi-finals on his debut appearance
Rafael Nadal ends season after defeat by David Goffin and a knee Injury
ATP Finals: Bryan brothers beat Jamie Murray and Bruno Soares
Jamie Murray and Bruno Soares lost their opening doubles match in the ATP Finals against American twins. Mike and Bob Bryan saved three set points in the first set before Britain's Murray and Brazil's Soares came from 4-1 down to win the second. But the four-time champions came through 7-5 6-7 (3-7)
Roger Federer beats Jack Sock, Alexander Zverev defeats Marin Cilic
Six-time champion Roger Federer opened with a straight-set win over Jack Sock at the ATP Finals in London. The 36-year-old Swiss, making his 15th appearance at the season-ending event for the top eight players in the world, won 6-4 7-6 (7-4) at the O2 Arena. American Sock was making his tournament debut,