March 29 (Reuters) - Jannik Sinner beat Czech ⁠Jiri Lehecka 6-4 6-4 in a rain-hit Miami Open final on Sunday to ⁠become the first man to complete the coveted 'Sunshine Double' without dropping a set.

The Italian ‌world number two won 92% of his first-serve points and saved all three break points he faced en route to a victory that extended his string of Masters 1000 matches without dropping a set to 17.