Novak Djokovic is headed to his ninth straight Wimbledon quarterfinal after beating Roman Safiullin in four sets, 7-6(6), 6-3, 3-6, 6-3 on Sunday.
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Novak Djokovic is headed to his ninth straight Wimbledon quarterfinal after beating Roman Safiullin in four sets, 7-6(6), 6-3, 3-6, 6-3 on Sunday.