Fred Vasseur says Ferrari’s recovery since early in the season is something to be proud of after continuing to build confidence with victory in the Singapore Grand Prix. Ferrari struggled in Saudi Arabia in just the second round of the season, finishing over half a minute off the pace in sixth and seventh, but Vasseur says the reaction to that has been impressive, with it culminating in his first win as team principal courtesy of Carlos Sainz at the Marina Bay Street Circuit on Sunday. “Honestly, it was a strange feeling for me on the pit wall, because I was…