The contenders continue to tumble on Day 5 of the Australian Open: Daniil Medvedev is upstaged by Sebastian Korda, Cameron Norrie is neutralised by Jiri Lehecka, Victoria Azarenka displaces Madison Keys, and Zhu Lin rings in the Chinese New Year with a surprise victory over Maria Sakkari, Andy Murray is still the talk of Melbourne Park following his phenomenal victory over Thanasi Kokkinakis — we break down the performance on the Round Table and preview Day 6 action: Aryna Sabalenka v Elise Mertens and Grigor Dimitrov v Novak Djokovic, plus the fans’ favourite moments from the first five days, and Josh Martin discovers the latest in racquet technology at the Tennis Lab.