Andy Murray was rewarded for his perseverance in a brutal first-round match at the Miami Open as he recovered from a set down to outlast Matteo Berrettini 4-6, 6-3, 6-4. The victory was only Murrays fourth of the year and it sets up a second-round encounter with Toms Martn Etcheverry. As Berrettini was preparing to serve in the second set, he lost his balance, staggering to his right and nearly falling down before complai