Problems with Full-Width on single pages

Dear Catch Team, I have a problem with Mag Pro. My intention is to have the sidebar only shows up on the front-page and at all other posts and pages the full width without the sidebar. But whatever I select in the customizer, it does not wor (either the sidebar is shown everywhere or the sidebar is shown not at all). Please have a quick look at: http://www.develop.5bp.de/ BR Dirk