Day 4: Tsitsipas still alive, Kenin conquered and Fabio fires up

Stefanos Tsitsipas survives a gruelling five-set test by Australian wildcard Thanasi Kokkinakis, women’s defending champion Sofia Kenin falls to Kaia Kanepi and Fabio Fognini finds himself in a war of words with fellow Italian Salvatore Caruso on a jam-packed Day 4 of Australian Open 2021.See omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.