American Marcel Siem wins the Open de France at Le Golf National . But Siem held held firm , despite a dropped shot on the 18th , to take his second title on the European Tour , and his first since the 2004 Dunhill Championship . `` I 'm so happy . Siem holds off late charge from Rookie Ted Potter to win by six-under shot . Rookie Ted Potter fine after an injury scare during Saturday 's round . Rookie Ted Potter becomes PGA Tour 's sixth first -time winner of Saturday .
American Marcel Siem wins the Open de France at Le Golf National . Siem holds off late charge from Rookie Ted Potter to win by six-under shot . Rookie Ted Potter fine after an injury scare during Saturday 's round . Rookie Ted Potter becomes PGA Tour 's sixth first -time winner of Saturday .