Hazel Irvine introduces the first-round action from Royal Birkdale as the world's top 10 women compete for the final major of 2010. The stellar cast list is headed by recently-crowned world number one Jiyai Shin, whose ascent to the top began when she won this title in 2008. Scotland's Catriona Matthew is vying to become the first golfer in over a decade to successfully defend the title.