Osaka was hurt by seven double-faults. She won the U.S. Open and Australian Open twice each. Raducanu, who is ranked 46th, will face Maria Sakkari in the quarterfinals.

Maria Sakkari is applauding Naomi Osaka's decision to play a WTA 125 (Challenger) tournament and reveals she privately approached the four-time Grand Slam champion to tell her how much she ...