alexander zverev vs frances tiafoe

Both Alexander Zverev and Frances Tiafoe had already reached one Grand Slam quarterfinal in 2019 ahead of their Round 2 match at US Open 2019. 22-year-old Zverev at the French Open and 21-year-old Tiafoe in Australia. No. 6 seed Zverev at times makes tennis look too easy, his serve so crisp and his strokes so