The Greek faced the most challenging test of his campaign from 21-year-old Sinner after cruising through his first three encounters in Melbourne without dropping a set. He was faced with a stern challenge but ended up winning 6-4, 6-4, 3-6, 4-6, and 6-3 in five sets against the Italian.
Zhu was praised by her Belarus opponent after the match. The number 87 Zhu was making her first-ever appearance in the second week of a major tournament
The encounter between both last year's quarterfinalists was a highly anticipated one but it was Pegula who prevailed over the 2021 Roland Garros champion after a match that lasted one hour and 41 minutes
Rybakina produced a sublime game, defeating World No. 1 Swiatek 6-4, 6-4 in a match which lasted for an hour and a half to make her first Australian Open quarterfinal.
The semi-finalists from Rio 2016 Saina Mirza and Rohan Bopanna defeated Australian wild card entry Jaimee Fourlis and Luke Saville 7-5, 6-3 in an hour and 14 minutes.
This win saw Korda rise to number 28 in ATP Live Rankings and could see a new career high after the tournament but Medvedev, a former world number one has dropped out of the top 10 to sink to number 12 in the live rankings.