Fyrkantserien (also Fyrväpplingstävlingen and Serien Stockholm-Göteborg) was an interim Swedish football league played 1918 and 1919 as Svenska Serien was not played. It featured four teams, two from Stockholm and two from Gothenburg.

Previous winners

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Season Winners Runners-up
1918 IFK Göteborg (1) Örgryte IS
1919 IFK Göteborg (2) Örgryte IS

League champions

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Titles Club
2 IFK Göteborg