(Reuters) - South Korea's Kim Sei-young and Candie Kung of Taiwan emerged at the top of leaderboard after a brutal third day of scoring at the Blue Bay LPGA in China where only four players shot sub-par rounds. Overnight leader Kim produced a two-over-par round of 74 to sign for a 216 level-par total, matched by Kung who bogeyed her last two holes to sign for a 73 at the $2 million event in Hainan Island. The blustering conditions and heavily undulating greens at the lengthy Jian Lake Blue Bay Course have proved a stern test for the LPGA's finest taking part in the penultimate leg of the five-tournament Asian swing. More...