Serena Williams continues domination of Maria Sharapova with comfortable victory

Serena Williams’ domination of the most one-sided rivalry in tennis continued as the American hammered Maria Sharapova to reach the Australian Open semi-finals.

Williams has not lost to Sharapova since 2004 and she is now unbeaten in 18 matches against the Russian after winning 6-4 6-1 on Rod Laver Arena.