The US Open fourth round continues on Monday with Coco Gauff set to face a resurgent Naomi Osaka and defending men’s champion Jannik Sinner playing the tricky Alexander Bublik.

Coco Gauff has tried to put on a brave face after losing in the fourth round of the U.S. Open for the second year in a row. After Monday's 6-3, 6-2 exit against Naomi Osaka, Gauff said she would