Roger Federer took a medical timeout before fifth set and didn't play like himself in the 3-6, 6-4, 3-6, 6-4, 6-2 loss to unseeded Grigor Dimitrov.
US Open: Injured Roger Federer ousted by Grigor Dimitrov in grueling five-set match
Roger Federer took a medical timeout before fifth set and didn't play like himself in the 3-6, 6-4, 3-6, 6-4, 6-2 loss to unseeded Grigor Dimitrov.
