Overview
- Karolina Muchova, ranked No. 13 and a semifinalist in the past two US Opens, beat Williams 6-3, 2-6, 6-1 on Arthur Ashe Stadium.
- Williams was the tournament’s oldest participant at 45 years and 68 days and extended her Open-era record with a 94th major appearance.
- She entered the main draw on a US Open wildcard despite a current WTA ranking of No. 582.
- After returning in July, she finished the U.S. hard-court swing 1–3 in singles, highlighted by a comeback win in Washington and an early loss in Cincinnati.
- Williams said she was proud of her performance, described an intensive three-month training push, and suggested she may skip further official events this year to avoid long travel.