NEW YORK (AFP) – Juan Martin del Potro became the lowest ranked player in 25 years to reach the US Open quarter-finals Monday, setting up a showdown with fellow Grand Slam title winner, Stan Wawrinka.The 142nd-ranked del Potro was leading eighth-seeded Dominic Thiem 6-3, 3-2 when the Austrian retired with a right knee injury.Del Potro, the 2009 US Open nchampion who was pushed to the brink of retirement earlier this year after undergoing three surgeries on his left wrist, will next face third seed Wawrinka for a semi-final place.Wawrinka, a former Australian and French Open champion, reached a fourth successive …read more
Source: Dunya TV