AC Milan and Real Madrid shared the points at San Siro in a 1-1 draw to leave both on course for the second round of the Champions League.
Karim Benzema gave Real the lead in the 29th minute, but Ronaldinho replied with a penalty ten minutes before the break.
Alexandre Pato had a goal controversially disallowed moments later before Dida denied Raul a late winner in a dramatic game at the San Siro.