Fan heckles Jakub Mensik during US Open match, escorted out of stadium

Czech tennis player Jakub Mensik was heckled by a spectator during US Open third-round match against US' Learner Tien. During the fourth set, Mensik approached the chair umpire to complain about the fan, saying he was constantly heckling him. Later, security personnel escorted the spectator out of the stadium. Tien defeated Mensik 6-3, 1-6, 6-7, 6-3, 6-4 in the match.