Two-time US Open finalist Caroline Wozniacki has stunned 11th seed Petra Kvitova in a vintage performance from the comeback queen, Casper Ruud and Stefanos Tsitsipas are among the shock casualties on a brutal Day 3 of competition, Rinky Hijikata scores his first second round win at a major and becomes the first Australian through to the third round, the Round Table discusses all the big news from the first week of competition and preview the key upcoming matches including Coco Gauff v Elise Mertens and Andy Murray v Grigor Dimitrov.