Second win of the season for Van der Mark in STK600
Denmark's Alex Schacht (Schacht Racing Honda) was next up, while the top Italian at the flag was Daniele Beretta (Trasimeno Yamaha), who finished fifth.
Metcher now moves into the lead of the championship with 101 points, while Romain Lanusse (MRS Yamaha Racing France), who retired, stays on the 94 mark. Dino Lombardi (Martini Corse Yamaha) is third equal on points with Joshua Day (Revolution Racedays Kawasaki), who crashed out.