 He will go to his ninth major quarterfinals appearance. Yannick Sinner, the one seed, was headed to the quarterfinals as well after beating 14-seed American Ben Shelton in straight sets. Sinner will face number five seed Danil Medvedev in the quarterfinals. On the women's side, 12-seed American Madison Keyes had to retire in the third set of her fourth round match due to a leg injury. And 19-seed American Emma Navarro upset two-seed Coco Gauff in straight sets to advance to her first Grand Slam quarterfinal.