1. Liga Promotion / results, tables, fixtures, and other stats for 1. Liga Promotion / Compare teams, find the best odds and browse through. Liga with the best two clubs from this level promoted to the 1. Liga Promotion. It is the highest league level in Switzerland that permits Promotion to : Challenge League. 1. Liga Promotion - Soccer Switzerland. SportStats offer 1. Liga Promotion stats - 1 . Liga Promotion results, home/away standings and upcoming matches.