South Korea's Kim Do-hoon took charge of the China Open in the second round Friday with a one stroke lead. Kim carded a steady round of 69 for an 11-under 133 total going into the weekend, his only blemish on day two being a bogey on the par-4 18th. He was ahead of a trio of players tied for second place, including Thailand's Thongchai Jaidee who had shared the lead following the opening round. South Korea's Yang Yong-eun and Briton Jamie Donaldson were also on 10 under. “I was the last Korean to get a spot (in the field),” said unheralded 21-year-old Kim. “So I just wanted to make the cut coming here. But now I'm in the lead I will be aggressive and hope to win.” Thongchai had four birdies and two bogeys for a 70, while Donaldson added a 68 to his first day 66. Yang made the most of the warmer conditions Friday as he enjoyed a hot streak to sink four successive birdies from the 11th to finish on six-under 66. Pablo Larrazabal of Spain and Finland's Mikko Ilonen were a stroke further back in fifth place. Colin Montgomerie restored a little pride in the battle of the Ryder Cup captains. Although American Corey Pavin finished round two tied for eighth place with a total of seven under, his European counterpart closed the gap to make the cut with four-under. Choi in front In Atlanta, South Korean K.J. Choi brought his US Masters momentum with him to the Heritage Classic in Hilton Head Island, South Carolina, to charge into a two-shot lead in Thursday's opening round. Choi, who tied for fourth with Tiger Woods last week in the first major of the year, fired a sparkling seven-under-par 64 on a glorious day of sunshine at the picturesque Harbour Town Golf Links. The thick-set Korean, nicknamed ‘Tank' from his teenage days as a power lifter, wielded a red-hot putter and took early control of the tournament with a flawless back nine of four-under 31. Choi holed birdie putts from around 12 feet at the 11th, 13th and 15th before hitting a superb approach to a foot at the par-four 16th to set up his eighth birdie of the day. He parred the last two holes to end the round two strokes in front of Canadian left-hander Mike Weir and Britain's Greg Owen. Five-time champion Davis Love III, fellow American and world number six Jim Furyk, Spaniard Sergio Garcia and South African Tim Clark were among a group of 13 players bunched on 67. Kerr earns top seed for Mojo In Jamaica, Cristie Kerr, South Korea's Na Yeon Choi and Amanda Blumenherst each scored 13 points in their three six-hole matches Thursday to top the quarterfinal qualifiers in the Mojo 6 Jamaica LPGA Invitational. Kerr received the top seed and Choi the second seed based on their positions in the world rankings. Anna Nordqvist (12.5 points) was seeded fourth in the unofficial tournament, which follows the quirky “Raceway Golf” format of cumulative scoring.