Top-seeded Simona Halep served for the match four times before prevailing 4-6, 6-4, 15-13 over American Lauren Davis in a marathon third round match at Rod Laver Arena.
The two broke a record, playing the most games of any women's match in Australian Open history.
Halep said she was "almost dead" after the match that went three hours and 45 minutes. Halep ended up running over four kilometers throughout the match.u200b
Halep saved three match points in the 22nd game of the third set at 0-40 and Davis saved five break points in the 23rd game.