Raphael Jacquelin leads Oliver Fisher by one stroke after the opening round of the BMW International Open on Thursday.
Jacquelin shot seven birdies to finish the day at seven under par 65 as some of the favorites struggled on the windy Golf Club Gut Laerchenhof outside Cologne.
Masters Champion Danny Willett had two double bogeys and two bogeys on the back nine to finish at two over.
Sergio Garcia, fresh from a fifth-place finish at last week's US Open Championship, carded a one under par 71.
Felipe Aguilar, Zander Lombard and Thorbjoern Olesen were tied at five under.
Last year's tournament winner Pablo Larrazabal and runner-up Henryk Stenson were in a group of eight players at four under.