Belgium came close again when a goalmouth scramble ended with substitute Johan Bakayoko shooting for what seemed a certain goal, only for Slovakia defender David Hancko to clear the ball off the line.
Austria coach Marcel Koller is determined to make sure his team do not get swept away on a tide of national euphoria on the eve of a rare appearance at a major tournament.
New France captain Kylian Mbappe lived up to expectations with two goals in a 4-0 statement home win against the Netherlands.
Scotland's Scott McTominay grabbed another brace of goals as they stunned a much-changed Spain side to earn a deserved 2-0 victory in their Euro 2024 qualifier.