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

Osaka has won only one title while collaborating with Mouratoglou – more precisely the Saint-Malo WTA 125 – really too little ...

Former Wimbledon champion and famous tennis coach Goran Ivanisevic has hit back at Patrick Mouratoglou for criticising him ...

"This has been a relationship of less than a year. Osaka has won a fair amount of matches, but not at the biggest and best ...

Naomi Osaka secured a second-round win at the Toronto Masters under her new coach, Tomasz Wiktorowski — the Polish tactician ...

Iga Swiatek cruised, Naomi Osaka battled through, and Eugenie Bouchard called time on her WTA career with a gutsy ...

Wimbledon champion Iga Swiatek's untroubled tournament opener followed Naomi Osaka's battling victory over Liudmila Samsonova ...

Naomi Osaka came back from the brink to pull off an incredible comeback at the Canadian Open. No. 13 seed Liudmila Samsonova ...

Wimbledon champion Iga Swiatek cruised into the third round of the WTA Canadian Open on Wednesday as Naomi Osaka fought off ...

Stefanos Tsitsipas ended his partnership with Goran Ivanisevic after the grass swing. Under the Croatian coach, Tsitsipas had played only ...

British number two Cameron Norrie is out of the Canadian Open after a second-round defeat by world number 99 Aleksandar Vukic ...