It’s a first title of the 12 months for Sinner, who had his Australian Open title defence ended by Djokovic in an exhilarating five-set semi-final in January.
Sinner additionally extends his head-to-head report towards Medvedev, having gained 9 of their previous 10 conferences.
Regardless of the loss, Medvedev will re-enter the highest 10 when the rankings are up to date on Monday.
The previous US Open champion nearly missed the match, having been caught in Dubai due to the continuing battle within the Center East.
After arriving within the USA, Medvedev confirmed why he was beforehand on the prime of the lads’s sport, with a high-quality semi-final victory over world primary Carlos Alcaraz.
Nonetheless, it was Sinner who edged the tight moments on Sunday, helped by his imperious serve.
Sinner gained 43 of 47 first-serve factors, hit 10 aces and gained 60% of factors behind his second serve to stay accountable for the match.
Medvedev saved the one two break factors of the ultimate and got here near forcing a 3rd set when he went 4-0 up within the tie-break.
Nonetheless, Sinner reeled off seven factors in a row to shut out the match and win back-to-back Masters 1,000 titles with out dropping a set.
Elsewhere, world quantity three Djokovic has withdrawn from this week’s Miami Open with harm.
The Serb nice has gained the title six occasions and completed runner-up to Jakub Mensik final 12 months.
Nonetheless, the 24-time Grand Slam champion mentioned a proper shoulder harm had stopped him competing on the hard-court occasion, which begins on Monday.
