Ronnie O'Sullivan carved out a 6-2 overnight lead against old foe John Higgins in the first session of their second-round showdown at the World Snooker Championship in Sheffield.

"I thought a bit of a roll of the dice, it was a gamble. I was a bit nervous because I thought you could look a bit silly."

Ronnie O'Sullivan wastes little time in wrapping up a comprehensive 10-2 victory over He Guoqiang to set up a blockbuster showdown with John Higgins in round two of the World Snooker Championship.