Ukraine’s 30-year-old Elina Svitolina, the wife of celebrated Frenchman Gael Monfils and mother to their two-year-old daughter, Skai, reached the final eight in Melbourne for the first time in six years – “a lifetime ago” – by beating Veronika Kudermetova 6-4, 6-1. As always, she refused to shake the hand of a Russian opponent.

FILE - Italy’s Jannik Sinner returns the ball to Netherlands’ Tallon Griekspoor during the Davis Cup final tennis match between Netherlands and Italy at the Martin Carpena Sports Hall in Malaga, southern Spain, Sunday, Nov. 24, 2024. (AP Photo/Manu Fernandez, File)

Naomi Osaka, a two-time champion in Australia, stopped playing because of a strained abdominal muscle after dropping the first set of her match against Tokyo Olympics gold medalist Belinda Bencic.