Sebastian Vettel fastest in practice for Japan GP . Red Bull driver edges out to Mark Webber in Friday 's timesheets . Separating them in the afternoon were the Lotus duo of Kimi Raikkenen and Romain Grosjean , with the former also ending in the gravel after a spin on Turn 7 of a testing circuit . Fernando Alonso only 10th for Ferrari in afternoon session . Alonso can clinch fourth straight F1 ##GP win .
Sebastian Vettel fastest in practice for Japan GP . Red Bull driver edges out to Mark Webber in Friday 's timesheets . Fernando Alonso only 10th for Ferrari in afternoon session . Alonso can clinch fourth straight F1 ##GP win .