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
| Season | Winners | Runners-up |
|---|---|---|
| 1918 | IFK Göteborg (1) | Örgryte IS |
| 1919 | IFK Göteborg (2) | Örgryte IS |
League champions
| Titles | Club |
|---|---|
| 2 | IFK Göteborg |