In the quarterfinals at the Australian Open on Monday, Tommy Paul (ranked No. 11) takes on Alexander Zverev (No. 2).Paul beat Alejandro Davidovich Fokina 6-1, 6-1, 6-1 on Saturday in the Round of

Alexander Zverev reached his third Australian Open semifinal with a 7-6 (1), 7-6 (0), 2-6, 6-1 win over 12th-seeded Tommy Paul of the United States on Tuesday. The No. 2-ranked Zverev had to save a set point in each of the first two sets but then dominated both tiebreakers.

America's Tommy Paul faces Germany's Alexander Zverev in the quarterfinals at the Australian Open tonight. Here's how to tune in.