At this year’s AO, Alejandro Davidovich Fokina erupted at a section of spectators, blasting “ignorant drunks” during his tense five-set clash against Reilly Opelka. The confrontation became so heated that the chair umpire climbed down to calm the situation and address the crowd directly at Kia Arena.
Original Source:
https://sports.yahoo.com/articles/atp-pro-protest-booing-crowd-101135957.html