Frances Tiafoe was described as "truly special" by his coach on Wednesday for dumping his appetite for cookies and candy in exchange for a place in the US Open semi-finals.
Frances Tiafoe out to inspire with Cinderella story at US Open thecourier.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thecourier.co.uk Daily Mail and Mail on Sunday newspapers.