Lewis Hamilton and Nico Rosberg, driving for Mercedes, topped the times in the first practice for Sunday's Japan grand prix this morning.
But championship leader Sebastian Vettel and his team-mate Mark Webber in Red Bull. who were third and fourth, came in first and second in the second practice. Vettel had a time of 1m33.852s. Rosberg was third and Hamilton sixth behind Lotus pair Raikkonen and Grosjean.