Marcus Fraser will take a one-shot lead into the Thailand Golf Championship after carding a third-round 70 on Saturday.
The Australian, who has two European Tour titles to his name, goes into Sunday's final day on five-under-par, one stroke clear of Anirban Lahiri.
However, Martin Kaymer and Lee Westwood remain in contention for the title on three-under, along with Tommy Fleetwood.
American Jonathan Moore sits third on two-under, three off the pace.