For all the talk of the inexperience of this England squad, of Gareth Southgate's sudden ruthless streak in culling half of his Qatar clan, only one of his XI here was starting at a major tournament for the first time.
Up against Serbia's twin pillars of Aleksandar Mitrovic and Dusan Vlahovic, and with Harry Maguire's boots to fill, this was a major examination for Marc Guehi and, by proxy, a huge opportunity to make a place in this England team his own.