#1 : Grigor Dimitrov (Nadal’s potential opponent in the Quarter-Finals)
Nadal eventually prevailed in 5 gruelling sets, to set up a final showdown with Federer, eventually losing himself in 5-sets to lose the Australian Open Final for the third time in his career. Dimitrov will take a lot of heart from that meeting though. He has already won three titles this season, and could be the biggest potential roadblock that prevents yet another Federer-Nadal meeting in the Big Apple.
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Edited by Anuradha Santhanam