Jin Joo Hong is the first-round leader the Honda LPGA Thailand tournament, posting a score of 6-under 66.
Hong was a rookie on the LPGA in 2007, earning membership by virtue of winning the Kolon-Hana Bank Championship in her native South Korea. And she had a solid rookie year, placing 67th on the money list.
Last year she doubled her money and moved up to 53rd on the LPGA money list. She also cut a stroke and a half off her scoring average from 2007 to 2008.