Bayern Munich and Borussia Dortmund take their battle for supremacy in domestic football to the German Cup this week, hoping to set up a showdown in the final. Bundesliga champion and front-runner Dortmund travels to second-division leader Greuther Fuerth for the first semifinal on Tuesday. A day later, title holder Bayern is at Bundesliga rival Borussia Moenchengladbach in the second semifinal. The final is 12May in Berlin's Olympic stadium. Dortmund is undefeated in 20 Bundesliga matches and is hoping to win a double. But Greuther Fuerth has already knocked out two top-tier teams in the cup. (For more sports news and updates, follow Ahram Online Sports on Twitter: @AO Sports)