Mar 24, 2018; Key Biscayne, FL, USA; Thanasi Kokkinakis of Australia (L) shakes hands with Roger Federer of Switzerland (R) after their match on day five of the Miami Open at Tennis Center at Crandon Park. Kokkinakis won 3-6, 6-3, 7-6(4). Mandatory Credit: Geoff Burke-USA TODAY Sports
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