But will his Australian Open run come to an end in the semifinals against Novak Djokovic?
Jon Wertheim: Before the tournament, on Melbourne sports talk radio, a host was going through the men's top 50, trying to tick every name off from memory. And the one name that he missed was Tommy Paul. Which is sort of symbolic of Paul's career. He was a great junior player but didn't have quite the resume of Taylor Fritz, the backstory of Francis Tiafoe or the conspicuous size of Reilly Opelka. Paul has always sort of fallen through the cracks.