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 ...

"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 ...

Wimbledon champion Iga Swiatek cruised, Naomi Osaka battled through and Canadian Eugenie Bouchard called time on her WTA ...

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

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

Naomi Osaka fought off two match points for a three-set win over Liudmila Samsonova to reach the third round of Canadian Open on Wednesday as Wimbledon champion Iga Swiatek cruised past her opponent ...

Naomi Osaka has just been through to the Montreal third round and it came after a major comeback pulled off by the Japanese, who defeated No. 13 seed Liudmila Samsonova 4-6 7-6 (6) 6-3 in just over ...