Thanasi Kokkinakis stuns Roger Federer with upset win at Miami Open

Thanasi Kokkinakis stuns Roger Federer with upset win at Miami Open

Posted March 25, 2018 12:06:27 Photo: Thanasi Kokkinakis celebrates his victory over Roger Federer in Miami. (Reuters: Geoff Burke) Australia’s Thanasi Kokkinakis has claimed the biggest scalp of his young career by beating Roger Federer at the Miami Open, a result that has cost the Swiss the world number one …