Shapovalov outlasts Wawrinka in Tokyo, Del Potro beats Khachanov in Beijing

Canada’s Denis Shapovalov dropped the first set to veteran Stan Wawrinka but rallied to a 4/6; 6/1; 6/4 victory on Centre Court to set up a quarter-final match with Germany’s Jan-Lennard Struff who prevailed over France’s Jeremy Chardy in a