World number one Aryna Sabalenka led the way into the US Open quarter-finals, subduing American Taylor Townsend in straight sets on Sunday to keep her bid for a rare three-peat on track.Sabalenka rallied from 3-1 down in the second set for a 6-4, 6-3 victory on Arthur Ashe Stadium, where men's defending champion Carlos Alcaraz took on 20th-seeded American Tommy Paul in search of a quarter-final berth. New York (AFP) — World number one Aryna Sabalenka charged into the US Open quarter-finals on Sunday, beating American Taylor Townsend 6-4, 6-3 to keep her bid for a rare US Open three-peat alive. Key points and original sources are listed below.

• World number one Aryna Sabalenka led the way into the US Open quarter-finals, subduing American Taylor Townsend in straight sets on Sunday to keep her bid for a rare three-peat on track.Sabalenka rallied from 3-1 down in the second set for a 6-4, 6-3 victory o...S1

• New York (AFP) — World number one Aryna Sabalenka charged into the US Open quarter-finals on Sunday, beating American Taylor Townsend 6-4, 6-3 to keep her bid for a rare US Open three-peat alive. Sabalenka needed all of her resolve against the multi-faceted To...S2

• The world number one needed all of her resolve against the multi-faceted Townsend.S3

• Aryna Sabalenka is clinging on to her US Open title and the world No 1 spot after an unconvincing win over Taylor Townsend.S4S5

• Aryna Sabalenka continued her incredible US Open run on Sunday, beating Taylor Townsend 6-4, 6-3 to reach the quarterfinals. The world No. 1 has now reached her sixth consecutive US Open quarterfinal and extended her winning streak at Flushing Meadows to 17 ma...S6