She had 13 aces and 30-40 unreturnable serves against Zheng Jie in the semi-final.

BBC: Tracy Austin on Venus v Serena

But Clijsters upped the intensity in game eight to claim the decisive break and followed it up by racing to 40-0 and converting her first match point with an unreturnable serve.

BBC: Wimbledon 2010: Venus Williams wins opening match