Roger Federer suffered a shock 3-6 6-4 3-6 6-4 6-2 defeat at the hands of Grigor Dimitrov in the quarter-finals of the US Open.
Roger Federer suffered a shock 3-6 6-4 3-6 6-4 6-2 defeat at the hands of Grigor Dimitrov in the quarter-finals of the US Open.