Tuesday

At Melbourne Park

Melbourne, Australia

Purse: AUD34,848,000

Surface: Hardcourt outdoor

MELBOURNE, AUSTRALIA (AP) _ Results Tuesday from Australian Open at Melbourne Park (seedings in parentheses):

Men’s Singles

Quarterfinals

Karen Khachanov (18), Russia, def. Sebastian Korda (29), United States, 7-6 (5), 6-3, 3-0, ret.

Women’s Singles

Quarterfinals

Elena Rybakina (22), Kazakhstan, def. Jelena Ostapenko (17), Latvia, 6-2, 6-4.

Men’s Doubles

Quarterfinals

Hugo Nys, Monaco, and Jan Zielinski, Poland, def. Arthur Rinderknech and Benjamin Bonzi, France, 6-1, 6-4.

Women’s Doubles

Third Round

Caroline Dolehide, United States, and Anna Kalinskaya, Russia, def. Gabriela Dabrowski, Canada, and Giuliana Olmos (3), Mexico, 7-5, 6-2.

Demi Schuurs, Netherlands, and Desirae Krawczyk (6), United States, def. Aliaksandra Sasnovich, Belarus, and Tereza Mihalikova, Slovakia, 6-3, 6-1.

Mixed Doubles

Quarterfinals

Rafael Matos and Luisa Stefani, Brazil, def. John-Patrick Smith and Lizette Cabrera, Australia, 6-3, 6-4.

Rohan Bopanna and Sania Mirza, India, def. Jelena Ostapenko, Latvia, and David Vega Hernandez, Spain, walkover.