The quest for 20 continues!@rogerfederer defeats Berdych in the Australian Open QFs 7-6(1), 6-3, 6-4 and will face Chung in the SFs! Is another 🏆 on the way?

📸: @couperogers #USOpenSeries pic.twitter.com/jbcQF7NCkM

— US Open Tennis (@usopen) January 24, 2018