The remaining six teams were joined by the best placed eligible teams of the 2022–23 Swiss Promotion League, runners-up Stade Nyonnais and third-placed FC Baden, Stade Nyonnais and Baden returned to second tier after 11 and 17 years absence respectively.
Last season's last placed team Neuchâtel Xamax FCS remains in the Challenge League as winners of the relegation play-off.
[4] The Swiss Football League (SFL) released a detailed schedule on 7 December 2022.
[8] Matches of European competitors FC Vaduz may be postponed to Sundays in rounds 7, 8, and 9, subject to their performance in the UEFA Europa Conference League qualifying.
[5] The winner of the play-off is whichever teams scores most in both games (no away goals rule).