Live coverage of the opening round of the Women's British Open at Sunningdale. Defending champion and world number one Lorena Ochoa looks to defend the title she won at St Andrews 12 months ago. She won her first major in convincing fashion, leading from start to finish and ending four shots clear of her nearest rivals. However, the Mexican faces stiff competition from a strong field at Sunningdale, including world number two Annika Sorenstam.