Good afternoon and welcome to live updates of the opening singles match of the 2017 Nitto ATP World Tour finals. It's world No.2, Roger Federer against American Jack Sock in Boris Becker group.
R. Federer vs J. Sock | ATP Finals
Men's Singles | Round Robin | 12.11.2017 | London
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Completed
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R. Federer (2)
6
77
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J. Sock (8)
4
64
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