Australian Open 2019
Australian Open: Naomi Osaka beats Petra Kvitova in thriller, becomes world number 1
Naomi Osaka battled past Petra Kvitova to win her first Australian Open crown and become the new world number one.
Australian Open 2019: Federer out after losing to 20-yr-old Tsitsipas
Stefanos Tsitsipas beat Federer, who is 17 years his senior, 6-7 (11-13), 7-6 (7/3), 7-5, 7-6 (7/5) on Rod Laver Arena.
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