By Mark Lamport-Stokes RANCHO MIRAGE, California (Reuters) - New Zealand's Lydia Ko has been exposed to increased expectation and much bigger crowds since becoming world number one but, so far, the 17-year-old is handling it all with remarkable poise. This week, the South Korea-born golfing prodigy heads into the first women's major of the season with a chance to break Annika Sorenstam's run of 29 consecutive rounds under par on the LPGA Tour. Ko has strung together 28 sub-par rounds, and says she plans to "have fun" while bidding to break Sorenstam's record at Misson Hills Country Club where her aim is simply to play well. "Obviously because I'm so close (to Sorenstam's record), it will be at the back of my mind because there's been so much talk about it," Ko told reporters on Wednesday while preparing for the ANA Inspiration. More...