VALENCIENNES, France — It was a momentary lapse in a scoreless game, a ball left dangerously free on the lip of the Spanish goal line after a superb parry during group play at the Women’s World Cup . That split second of hesitancy became decisive, though, as a German player slid onto the goalkeeper’s deflection and produced the goal that gave her team a 1-0 victory. “It’s very frustrating,” Spain’s goalkeeper, Sandra Paños, said through an interpreter. “We are better than Germany.” It was not fatal to Spain’s hopes. Sandwiching that defeat between a win over South Africa and a tie against China, Spain has advanced to the second round of the World Cup, where it will play the United States on Monday in Reims. That it is set to face one of the tournament’s giants is fitting, since perhaps no country in this year’s W orld Cup has awakened more dramatically to women’s soccer than Spain. [Spain’s World Cup ended Monday with a 2-1 defeat against the United States .] That growth was evident in March, when 60,739 spectators watched Atlético Madrid Femenino host Paños and Barcelona Femení — the largest crowd ever to watch women’s soccer in Spain,…