Choi Bokeum, Hong Hae Sol, Park Jong Woo, Kim Jongwook, Koo Seonghoi and Kang Heewon got off the second block with a 1397 opener to find their lead over their nearest rival cut down from 239 to 189.
Hong Kong's Ivan Tse, Lau Kwun Ho, Tony Wong, Eric Tseng, Michael Mak and Wu Siu Hong got off better on a sizzling 1447 but remained in second. Japan's Tomoyuki Sasaki, Shogo Wada, Shusaku Asato, Daisuke Yoshida, Takayu Miyazawa and Shota Koki managed only 1339 to stay in third.
Chinese Taipei rolled 1374 to move up one notch into fourth position while Indonesia, who was fourth after the first block, dropped one spot into fifth. Korea responded in their next game with a superb 1452 to increase to a more comfortable gap.
Hong Kong conitnued on a good pace with 1406 but found their gap to the leader back up to 235 pins. Japan shot 1396 to pull away slightly from Indonesia, Chinese Taipei and Thailand, who started to pick up their pace.