The Champions League’s answer to el clásico resumes in Madrid on Tuesday. Real Madrid v Bayern Munich is the most played fixture in European competition: 28 matches and counting, including 13 knockout ties. Here are six of the best.

1975-76

Semi-final Bayern won 3-1 on aggregate

Bayern and Real have never met in a European final – but that’s only if you take these things literally. In eight of their 13 knockout clashes the winning team became champions of Europe that season. A precedent was set in their first meeting 50 years ago, when Bayern beat Real en route to their third consecutive European Cup.

Bayern did the heavy lifting with an excellent 1-1 draw at the Bernabéu. Some laissez-faire defending from Franz Beckenbauer and Udo Horsmann was punished expertly by Roberto Martínez, but Bayern’s prolific goal machine Gerd Müller equalised before half-time. There was much excitement that the game would be watched by “200 million televiewers in 15 countries”. However, a production error meant none of them saw Müller’s goal, only his trademark leaping celebration.

There is footage of a notorious incident at the final whistle, when an affronted Madrid fan hared on to the pitch,...