Tennis-Sabalenka chases US Open three-peat amid downturn in form
By Shrivathsa Sridhar BENGALURU, Aug 27 (Reuters) - Aryna Sabalenka will attempt to become the first woman since Serena Williams to capture three consecutive titles at the U.S. Open, though a sharp dip in form has clouded what once looked like an inevitable march toward the milestone. 
