Romain Wattel overtook Kiradech Aphibarnrat at the top of the KLM Open leaderboard as the Frenchman stepped up his bid to win a first European Tour title.
Wattel, whose 25 top-ten finishes include two as a runner-up, birdied the second and added further gains from close range at the fourth and sixth to reach 16 under during the final round at The Dutch.
That was one clear of overnight leader Aphibarnrat, with the Thai having made a single birdie through his first six holes to lie 15 under.
He was joined on that mark by French rookie Joël Stalter, whose tap-in birdie on the sixth was his third of the round.
Swede Joakim Lagergren made an eight footer on the sixth to complete hat-trick of gains which took him to 14 under, with German Sebastian Heisele fifth on 12 under.
The lead changed hands on the short eighth, with Stalter making a birdie before his compatriot saw his eight foot par putt lip out.
Wattel birdied the tenth to move back into a share of the lead, with Stalter doing well to save par from ten feet to keep it level at 16 under.
Aphibarnrat gave his putter a talking to as another birdie putt slipped by on the 11th, but he found himself in a share of the lea as Stalter and Wattel both bogeyed.