In Australia Open Tennis, Rohan Bopanna and his Canadian team-mate Gabriela Dabrowski have stormed into the Mixed Doubles quarterfinals. The pair defeated Poland's Lukasz Kubot and Yung-Jan Chan of Chinese Taipei, 6-4, 5-7, 10-3 in the second round this morning. Sania Mirza and her Croatian team-mate Ivan Dodig will play in the second round later today.Meanwhile, in the Singles, American Coco Vandeweghe, who had stunned world number one Angelique Kerber in the fourth round, today saw off seventh seed Garbine Muguruza to enter the semi-finals. She defeated Muguruza, in straight sets, 6-4, 6-0. Venus Williams also progressed to the semis.