Gauff leaned on the Arthur Ashe crowd and Simone Biles to steady her through Vekic match. & tiebreak
Gauff accepts short-term US Open uncertainty while focusing on a long-term serve rebuild with Gavin.
Coco Gauff adjusted her serve during the 2025 US Open; analysts called the mid-tournament work bold.
Gauff closed a 2:57 opening match with a pressure second serve, edging Tomljanovic 6-3, 6-7, 7-5....
Gauff survives tight US Open opener as serving overhaul produces progress amid familiar problems....