Roger Federer's journey in US Open 2019 ended after a loss to Grigor Dimitrov in the nail-biting encounter in the quarter-final. The Swiss Tennis star lost to Bulgarian player in a five-set game. After losing the first set, Dimitrov was eventually able to defeat Federer 3-6, 6-4, 3-6, 6-4, 6-2 at Arthur Ashe Stadium.