Alert: Schwartzman upended by Dutch qualifier Van de Zandschulp
Eleventh seed Diego Schwartzman was knocked out in the fourth round of the US Open, beaten 6-3, 6-3, 5-7, 5-7, 6-1 by Dutch qualifier Botic van de Zandschulp
Eleventh seed Diego Schwartzman was knocked out in the fourth round of the US Open, beaten 6-3, 6-3, 5-7, 5-7, 6-1 by Dutch qualifier Botic van de Zandschulp