Eugene Laverty (Yamaha World Superbike) won a last corner battle with his team-mate Marco Melandri (Yamaha World Superbike) in the second 18-lap race at Monza but the bigger drama was the award of a ride-through penalty for long-time race leader Max Biaggi (Aprilia Alitalia), for cutting a chicane in an incorrect fashion. He recovered to finish eighth.

Third was Michel Fabrizio (Suzuki Alstare) but only after a massive fight with Pata Aprilia rider Noriyuki Haga, who went fourth.

In the championship standings Carlos Checa (Althea Racing Ducati) has 145 points, Melandri 118 and Biaggi 117. Laverty is now fifth.