Kostyuk and Stearns will knock out Williams sisters

Kostyuk and Stearns will advance past Serena and Venus Williams in the Cincinnati Round of 32. Peyton Stearns is a Cincinnati native and enters partnered with Marta Kostyuk while Stearns is listed at No. 53 in singles and No. 94 in doubles, so a win will explode local attention and move them forwar…