Tiafoe Takes In The Waterloo Tunnels, Talks 2017 Goals Dec 01, 2016 NextGen player Frances Tiafoe of the U.S. marvels at the Waterloo Tunnels in London and talks about his 2017 goals with ATPWorldTour.com. Getty Images photo. Tags: 2016 Frances Tiafoe Interviews NextGen Off Court News Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus