Denis Shapovalov will be eyeing a berth in his maiden Grand Slam quarter-final when he faces seventh seed David Goffin in the fourth round of the U.S. Open on Sunday.
Canadian Denis Shapovalov says a lack of maturity cost him a semi-final berth at the U.S. Open, a Grand Slam that is up for grabs in the absence of the 'Big Three' of men's tennis.