clocking the fastest lap of the race. Problems during his pitstop, however, dropped him down to fifth. At the Nürburgring he gave his best performance yet, by winning the race from 17th on the grid. In the sprint race José María López caused a collision which forced Kovalainen to retire. At Magny-Cours he won again from fourth on the grid, and came third in the sprint race. At this point in the season, however, a resurgent Nico Rosberg with his ART Grand Prix team seemed to find more speed and began scoring victories, emerging as Kovalainen's main rival for the championship. Kovalainen and Arden fought back, scoring podiums and points positions in Silverstone, Hockenheim and Hungaroring, but were unable to find the necessary speed to beat Rosberg. In Istanbul's feature race Kovalainen finished tenth due to engine problems, but in the sprint race held in wet conditions he returned to his winning ways. At Monza Arden were fast again, and Kovalainen snatched his second pole of the season and won the feature race. In the sprint race he could only manage fifth position, however, and this meant that with four races left in the season, Kovalainen was leading Rosberg by only four points. After a chaotic weekend at Spa affected by rain and Safety Cars, Rosberg took the lead from Kovalainen. In the final two rounds in Bahrain, Rosberg and ART seemed to be unmatched again, and he secured the championship by winning the feature race with Kovalainen finishing third. Retiring from the last sprint race, Kovalainen finished runner-up in the series, 15 points adrift. Formula One Renault (2004–2007) 2004–2006 Kovalainen, Franck Montagny and José María López tested the Renault R23B F1 car at Barcelona in December 2003. Kovalainen also tested for Minardi, but Renault made him second test driver alongside Montagny for . Kovalainen was promoted in Montagny's place at the end of and spent the season in a full-time testing role, logging over 28,000 km of testing. Renault's lead driver Fernando Alonso had signed for McLaren for the season, and Renault elected to promote Kovalainen in his place, which they confirmed on 6 September 2006. Team boss Flavio Briatore said: "With Kovalainen, I hope to find the anti-Alonso." 2007 Kovalainen made his race debut at the . His season got off to a rough start; he made several mistakes during the race, finishing tenth. Flavio Briatore felt it