2013 US Open 4th Round Women's Singles Ekaterina Makarova(Russia)Beats Agnieszka Radwanska(Poland)Sunday Sep 1,2013

World No 3 Agnieszka Radwanska(Poland) lost 6-4, 6-4 to 24-seeded Ekaterina Makarova(Russia) marking the 4th time since 2007 that Radwanska left the U.S. Open in the fourth round

Ekaterina Makarova had lost all three previous matches she’d played against Radwanska in straight sets. The Russian’s victory allowed her to reach her third Grand Slam quarterfinal and first at the U.S. Open