US Open全区QF赛题:
TB6: Stan Wawrinka VS Donald Young
TB7: John Isner VS Roger Federer
TB8: Kevin Anderson VS Andy Murray
TB9: Tomas Berdych VS Richard Gasquet
TB10: Rohan Bopanna/Florin Mergea VS Daniel Nestor/Edouard Roger-Vasselin
所有选手请在9月7日晚11点之前提交预测,提交方式为跟帖/私信。大满贯双打比赛为三盘两胜。