The four-time major champion announced that she had parted ways with coach Patrick Mouratoglou following middling results.

A four-time Grand Slam champion, Osaka was playing her first tournament since parting ways with Patrick Mouratoglou, the former coach of Serena Williams whom she hired last fall. The 27-year-old is ...

Naomi Osaka and Liudmila Samsonova have played five times in the past 16 months, and Osaka took a 3-2 lead in their rivalry after saving two match points en route to victory in the Omnium Banque ...