The 17-year-old Brussels resident won both heats of the day and thus stayed ahead of the Dutch World Cup leader Kay De Wolf (Husqvarna) and the German Simon Laengenfelder (GasGas). Liam Everts (KTM) finished seventh, Sacha Coenen (KTM) twelfth, and Nick Vennekens (GasGas) 29th.
It was the third consecutive victory for Coenen, after previous triumphs in Galicia (May 12) and France (May 19). He is second in the World Cup standings with 337 points, following De Wolf (396 points). Everts (304 pts) and Coenen (178 pts) follow in fourth and ninth position.
The next Grand Prix will take place at the Kegums circuit in Latvia on Sunday, June 9.