Kam, who had two earlier attempts of 727 and 609, improved his lower three-game series with a splendid 758 for a new six-game tally of 1485 to take over top spot in the leaderboard. Overnight leader and compatriot, Michael Mak slipped down to second on 1468 to give Hong Kong a one-two finish.
A third Hong Kong national and 2015 AMF World Cup champion, Wu Sui Hong improved to take up third position with 1420 while India's Dhruv Sarda continued to drop down to fourth with 1346. Tong Wong made up the top five with 1341 giving Hong Kong four of the top five places.
Hashim Guinomla of MBA-DFBC, who became the third qualifier to break the 1400-mark, took over the lead of the local pool with 1423 dislodging compatriot and first perfect gamer, Kenneth Chua into second spot with 1389.