Germany's Alexander Zverev advanced to the fourth round of the U.S. Open with a routine win over Alejandro Tabilo on Saturday, while Coco Gauff also moved on as several other American contenders were eliminated.
Naomi Osaka overcame a mental and physical battle to outlast Belgium's Elise Mertens in a three-setter on Louis Armstrong Stadium.
Two of the brightest young prospects in the women's draw and close friends off it, put on a show as American Iva Jovic edged Filipina Alexandra Eala in a thrilling clash on Arthur Ashe Stadium.
After back-to-back five-setters, top seed Zverev finally enjoyed a quieter night as he overcame a small mid-match dip to see off Chile's Tabilo 6-2, 7-6(2), 6-2.
"I think today was definitely much better than the last couple of days. I think I improved a lot from the baseline," Zverev said.
