Unseeded Safiullin beat 13th seed Tiafoe 5-7 7-5 7-6(5) in a three-hour contest where the American initially lost his cool when he received a time violation
Unseeded Safiullin beat 13th seed Tiafoe 5-7 7-5 7-6(5) in a three-hour contest where the American initially lost his cool when he received a time violation