Barcelona has the opportunity to achieve a historic milestone in El Clásico by potentially clinching the La Liga title directly against their fierce rivals, Real Madrid. This would mark the first time in the history of the rivalry that the championship has been decided in a head-to-head match between the two clubs. The context for this potential championship decider is set against Barcelona's current strong position in the league standings.

While the specific points gap or fixture details are not provided in the excerpt, the narrative centers on the significance of this specific match for Barcelona's legacy against Real Madrid. Winning the league in this manner would represent a significant psychological and historical victory over their long-standing adversaries. The article emphasizes that this scenario offers Barcelona a unique chance to "strike a new blow" against Real Madrid, elevating the importance of the upcoming Clásico beyond a standard league fixture.

This potential outcome underscores the intense competitive nature of the rivalry and the high stakes involved when these two Spanish giants meet on the pitch, especially when a major trophy is on the line.