Italian top seed Jannik Sinner retained his Wimbledon men's singles title after rallying from a set down to beat German second seed Alexander Zverev in a high-quality final on Sunday. The 6-7 (7-9), 7-6 (7-2) 6-3, 6-4 victory is a fifth Grand Slam title for 24-year-old Sinner and first of the year after he also beat record men's major winner Novak Djokovic in the semi-finals.