Serena Williams reaches US Open semifinals after rallying against Tsvetana Pironkova

A fellow mom gave Serena Williams all she could handle at the US Open but it was the legendary American who battled to another comeback win to keep her hopes of tallying a record 24th Grand Slam title alive.

Serena Williams reaches US Open semifinals after rallying against Tsvetana Pironkova
A fellow mom gave Serena Williams all she could handle at the US Open but it was the legendary American who battled to another comeback win to keep her hopes of tallying a record 24th Grand Slam title alive.