Top-seeded Zverev opens US Open campaign

Alexander Zverev captured his first Grand Slam title at the French Open this year, and now the US Open top seed is eager for another crack at the Slam that got away.AFP Sport looks at three matches to watch on Day 3 of the US Open: Alexander Zverev (GER x1) v Lorenzo Sonego (ITA) Zverev leads head to head 6-0 -- Zverev followed up his maiden Grand Slam triumph at Roland Garros with a run to the final at Wimbledon, but the German's results in the build-up to the US Open have been lackluster.