Novak topples Raonic for semi-final spot!
Nole continued his bid for a fifth consecutive WTFs title with a 7-6 (6), 7-6 (5) win over Milos Raonic.
London: Federer downs Novak, books semi-final spot
Top seed and defending champion suffered his sixth match loss of a season on Tuesday in his second RR match at the Barclays ATP World Tour Finals.
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