Internacional vs Athletic Club Prediction – Copa do Brasil 2026

Internacional take to the Estadio Beira-Rio for the second leg of their Copa do Brasil clash against Athletic Club with a comfortable 2-1 aggregate lead in hand. The first leg, played on April 22 at Athletic Club's ground, ended in a 2-1 victory for Internacional — a result that significantly shapes the tactical landscape of this return fixture. Internacional's recent form tells the story of a side with genuine quality but occasional inconsistency. Their last five matches produced two wins, two draws, and one loss. The standout result is a commanding 2-0 home victory over Fluminense, demonstrating their capacity to control games at Beira-Rio. The draws against Botafogo and Coritiba, while not ideal, came against competitive Brasileirão opposition. The single defeat — a 1-2 loss to Mirassol — represents an anomaly rather than a trend. Athletic Club arrive as significant underdogs. The paucity of available form data reflects their standing as a smaller Brazilian club, and the challenge of overturning a first-leg deficit against a top-tier side at one of South America's most electric stadiums is immense. Beira-Rio's atmosphere, routinely cited by visiting players as among the most intimidating in the continent, will add further pressure. With no lineup data confirmed, there remains some uncertainty around player availability, but the structural advantages for Internacional are clear: home ground, aggregate lead, and demonstrably superior squad quality. Expect Internacional to manage the game intelligently, controlling possession and exploiting their technical edge without taking unnecessary risks. A 2-0 home win is the most probable single result. Athletic Club's only realistic path to qualification involves scoring first and maintaining sustained pressure — a scenario that seems unlikely given what we have seen of both clubs across the two legs of this tie. Internacional are strong favourites to advance.