A mid-tournament recap of everything that's happened in the first four rounds of the Australian Open.The Lighter Stuff0:36-3:44: Medvedev’s box office match with Kyrgios and his questionable tactics against Cressy.3:44-6:45: Our hits and misses from our Australian Open quarterfinal predictions. Tactical Standouts6:45-11:30: Shapo executes a steadier style of play whilst Zverev continues to struggle with his second-serve in important Grand Slam matches (plus: Andy Roddick disagrees with me on Twitter!).11:30-12:44: Swiatek survives Sorana Cirstea’s pacey backhand returns.12:44-14:16: Clara Tauson aims for Anett Kontaveit’s right hip in her win over the sixth-seed.Most Grit14:16-17:48: Berrettini and Alcaraz win 159 points apiece in a five-set epic.17:48-19:52: Mannarino comes through a 4-hour and 38-minute four-set match to defeat Karatsev. 19:52-21:52: Alize Cornet reaches a Grand Slam quarterfinal for the first time in 63 attempts beating Halep in three sets.Potential For Lower-Ranked Players21:52-24:20: In scintillating form, Madison Keys sets up an alluring match with Barbora Krejcikova.Biggest Saves24:20-26:27: Amanda Anisimova saves two match points against the defending champion Naomi Osaka.26:27-29:04: Felix Auger-Aliassime continues to play clutch tennis in the biggest moments at the Slams in his victory over Cilic.29:04-30:53: Kaia Kanepi defeats Aryna Sabalenka in a rollercoaster match. Looking Ahead32:40-33:54: Hype for Gael?33:54-35:41: Who wins in Rafa v Shapo?35:41-36:15: Is Sinner a favourite to win the Australian Open?36:15-36:50: Quarterfinals to watch.