Thongchai Jaidee of Thailand took a one-stroke lead at the Wales Open after shooting a 4-under par 67 in the third round at Celtic Manor on Saturday.
Tied for second were Joost Luiten of the Netherlands and overnight leader Ross Fisher of England.
Thongchai, who holed seven birdie putts, has won four times on the European Tour but has yet to win in mainland Europe.
''The weather in Europe is very difficult for me,'' Thongchai said. ''I've learnt a lot about how to work in these conditions though and it would be important to me to win here.
''I went out there with a very good game plan, knowing when I wanted to use a certain club. I was very pleased with how I played because you have to hit a lot of greens with this course.''
Luiten, who won his first European Tour title at the Johor Open in 2011, carded the round of the day with a 7-under 64.
''The closing holes are tough, but the wind was different out there today,''...