Tennis greats set to battle in blockbuster match

Before analyzing the ins and outs of Serena Williams' blockbuster semifinal against her pal Victoria Azarenka at the US Open on Thursday, tennis coach Sven Groeneveld was first keen to draw attention away from forehands and backhands.

Tennis greats set to battle in blockbuster match
Before analyzing the ins and outs of Serena Williams' blockbuster semifinal against her pal Victoria Azarenka at the US Open on Thursday, tennis coach Sven Groeneveld was first keen to draw attention away from forehands and backhands.