AZTC 2019 Champion Matteo Berrettini delivers a commanding performance in Round 1 of the US Open, defeating 2016 champion Stan Wawrinka 7-6(4), 7-6(3), 6-0. In what marked Wawrinka’s farewell match on the Grand Slam stage, Berrettini held strong through two tight tie-breaks before closing out the third set with a clean sweep, firing 13 aces along the way. With the victory, Matteo advances to the second round in New York to face Mariano Navone. #ArizonaTennisClassic #AZTCAlumni #USOpen #Berrettini #Wawrinka #ATP #Tennis