Hamstring injury prompts third-seeded Canadian to pull plug.
The Dominator is a destroyer.
World No. 4 weighs in on the Big Four.
The 19-year-old is not shy about letting his enthusiasm for facing Roger Federer show.
Bethanie Mattek-Sands celebrated her 32nd birthday in style, sort of.
Roger Federer, Juan Martin del Potro and Stan Wawrinka on the men's side. Garbine Muguruza and Agnieszka Radwanaks on the women's side. Keep up with all the action on a busy Saturday in the live blog.
The coach of Madison Keys and Tennis Channel comments is getting a little fed up with the on-court coaching game.
