Thailand's Kiradech Aphibarnrat shot a 4-under 68 to take the lead after the third round at the inaugural Shenzhen International on Saturday, though he let a five-shot advantage slip to two strokes with a double bogey-bogey on this final two holes.
Kiradech had nine birdies in his round to sit at 12-under 204 overall.
Overnight leader Peter Uihlein birdied the par-5 17th hole that Kiradech double-bogeyed to gain three strokes on his playing partner. Uihlein was at 10 under.
Both Kiradech and Uihlein are looking for their second European Tour titles.
Pablo Larrazabal of Spain matched the low round of the day with a 65 to move into third place, one stroke behind Uihlein.