Federer beats Frances Tiafoe in thrilling US Open first round encounter

Roger Federer had to overcome an early deficit and a late lapse on Tuesday night to edge 19-year-old American Frances Tiafoe 4-6, 6-2, 6-1, 1-6, 6-4 in a compelling first-round contest under the Arthur Ashe Stadium roof. (Video Courtesy: SNTV)