Alexander Zverev, 4th seed, crashes out in second round of US Open

German fourth seed Alexander Zverev, whose five ATP titles this year include a win over Roger Federer in this month's Montreal final, fell to 61st-ranked Croatian Borna Coric 3-6, 7-5, 7-6 (7/1), 7-6 (7/4) at the US Open on Wednesday. (Video Credit: SNTV)