Watch American Frances Tiafoe’s livid outburst at an umpire following a 5-7 7-5 7-6 (7-5) defeat by Roman Safiullin on the Shanghai Masters.
'You're on my blacklist' – Tiafoe launches tirade at umpire
Watch American Frances Tiafoe’s livid outburst at an umpire following a 5-7 7-5 7-6 (7-5) defeat by Roman Safiullin on the Shanghai Masters.
