Serena Williams underlined her tag as the favourite for the US Open with a brutal quarter-final win over China’s Wang Qiang in just 44 minutes.

The 37-year-old American broke serve five times and hit 25 winners as she eased to a 6-1 6-0 win over the 18th seed on Arthur Ashe Stadium

Williams, seeded eighth, is chasing a record-equalling 24th Grand Slam title.

She will face Ukraine’s fifth seed Elina Svitolina, who beat Britain’s Johanna Konta, in the semi-finals.