Fabian Cancellara of Switzerland wins opening prologue in 2012 Tour de France . The race is the first time that a team has won three stages at this stage and it was also the first time since 2009 that an Italian rider had taken victory on his debut Tour. Wiggins gains valuable time on defending champion Cadel Evans . Tony Martin of Germany hit by puncture midway around 6.4km course in Liege .
Fabian Cancellara of Switzerland wins opening prologue in 2012 Tour de France . Cancellara finishes seven seconds clear of race favorite Bradley Wiggins . Wiggins gains valuable time on defending champion Cadel Evans . Tony Martin of Germany hit by puncture midway around 6.4km course in Liege .