Two-time Australian Open champion Naomi Osaka says she took out a "little revenge" after coming back to beat Czech 20th seed Karolina Muchova. BBC Sport
In her final BBC Sport column at the Australian Open, world number four Jasmine Paolini discusses defending ranking points after the best year of her career. BBC Sport
Jasmine Paolini is one of the most successful WTA Tour players - and one of the smallest. In her BBC Sport column, she discusses how her size is her strength. BBC Sport
Italian world number four Jasmine Paolini discusses the renaissance of tennis back home in her first column for BBC Sport at the Australian Open. BBC Sport
Unseeded Karolina 
