28-1 Frenchman Francois Calmels looks the pick of the field on the Saint-Omer Open in Lumbres, France.
Calmels won the Telenet Trophy by two shots and was tied for second on the course here in 2007.
Norway's Jan Are-Larsen has three top 10s from his last four starts, and his course form is good having finished in tied 12th a year ago. He can also be got at 28-1.
Finn Roope Kakko has looked impressive when playing with better golfers, and the Challenge Tour player could thrive in this joint European-Challenge Tour tournament.
He was 27th in the European Open a fortnight ago, and has recorded seventh in the Irish Open and eighth in the Italian Open this year.
He also has form on the parkland course, which winds round the River Aa, and has been reduced from a par 73 to a par 71 in recent years. The 27-year-old is a worthy favourite at 18-1.
Finally, 40-1 shot Julien Clement was tied for third in Omega European Masters in his native Switzerland this season, and was tied eighth in Italy, one of three top 20s on the Challenge Tour.
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