FRISCO, Texas—Reilly Opelka and Tommy Paul grew up training together, roomed together in junior dorms, even shared a house together as established pros. Oddly, despite playing more than 500 combined ...

The 12th seed Tommy ... in his legs to challenge those numbers. The Spaniard dropped 57% of the points in his games and suffered seven breaks from 13 chances offered to his opponent. Paul tamed ...