Japan's Yuta Ikeda and China's Ashun Wu moved to the top of the leaderboard, while Australian James McLean rose to 10th at the Toshin Golf Tournament on Sunday.
Ikeda and Wu fired five-under-par 67s in the third round for a total of 18-under at Japan's Ryosen Golf Club, moving ahead of overnight leader Masamichi Uehira.
Uehira carded a round of 70, slipping to equal third alongside Japanese countryman Hiroo Kawai (65) and one shot behind the leaders.
Local hope Kodai Ichihara (65) is fifth at 16-under, one stroke ahead of Ryutaro Nagano (66), Koumei Oda (69) and South Korean duo Park Eun-shin (66) and Ryu Hyun-woo (70) in equal sixth.
McLean is the best-placed Aussie in equal 10th at 14-under, having climbed 24 places from his overnight position with a round of 65.
Fellow Australian Richard Tate is in 42nd position at nine-under, while compatriot Neven Basic is 62nd at five-under.