Input (grade 7): 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.
Output (grade 11): 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).