Twenty four-time Grand Slam champion Novak Djokovic equalled Roger Federer's all-time record of winning 191 hard-court matches at Grand Slams. His achievement came after defeating American tennis player Zachary Svajda 6-7(5), 6-3, 6-3, 6-1 in the second round of US Open. Notably, Djokovic holds the joint second-most US Open titles (four), with Rafael Nadal and John McEnroe.