Highlights: Tiafoe Moves Past 2017 Estoril Finalist Muller

Watch highlights as Frances Tiafoe reaches his first ATP World Tour clay-court quarter-final by defeating fourth seed Gilles Muller 6-4, 7-5 at the Millennium Estoril Open on Wednesday. The American will face Simone Bolelli, a 3-6, 7-5, 6-2 winner over Federico Delbonis, for a place in the semi-finals. Video and photo courtesy of Millennium Estoril Open.