Querrey-Karlovic, set 2

Querrey and Karlovic settle the second set in another tiebreaker, and once again, Querrey prevails. Apropos of the match so far, which has been quite the service display (35 aces), the 20 year-old SoCal native takes a two-set lead with a perfectly-placed 127-mph ace. 7-6, 7-6 as we head into the third set....