Original: During her second round win over Ashley Harkleroad , Williams hit a 206 km/h ( 128.8 mph ) serve , which is the second fastest woman 's serve ever recorded and the fastest ever recorded during a main draw match .
Simplified: The Williams sisters are noted for their power games , and Venus holds the record for the fastest serve ever recorded by a female player in a main draw match ( 128.8 mph ) .