The US Open fan favorite was down 7-5, 6-3, 5-3 at one point.
http://dlvr.it/TVNpxp
Frances Tiafoe roars back from 2 sets down to reach third US Open semifinal
The US Open fan favorite was down 7-5, 6-3, 5-3 at one point.
http://dlvr.it/TVNpxp