Internacional return to the Beira-Rio in complete control of this tie after a 2-1 victory on the road. They don't technically need a win to advance, but their overall quality allows them to dictate the tempo. Defending a lead at home creates a perfect scenario for the hosts to control possession and wait for openings.

Athletic Club have built real momentum in Serie B, finding the net in all eight of their recent matches. But translating that output against top-tier opposition under knockout pressure is a massive step up. Overturning a deficit means they have to abandon their standard defensive shape and take risks.

A glaring issue for the visitors is their discipline. They’ve picked up five red cards across their last eight fixtures. That chaotic style might survive in the lower divisions, but an experienced Internacional midfield will punish it. Giving away cheap fouls while chasing a tie is a recipe for disaster.

Internacional have proven they can manage high-stakes moments, recently shutting out Fluminense in league play. They have the structure to absorb whatever early pressure Athletic Club manages to generate. Once that initial surge fades, the home side is perfectly equipped to exploit the gaps left behind.

The occasion heavily favors a decisive home performance as the visitors grow desperate. Backing Internacional to win outright reflects their clear quality advantage and the spaces that will inevitably open up. For conservative bettors, taking the double chance completely covers the possibility of a low-exertion draw.