| 1906/07 Championship Playoffs | Halifax | 4 | 3 | | * 13,200 |
| 1907/08 Championship Playoffs | Hunslet | 4 | 4 | | * 14,027 |
| 1908/09 Championship Playoffs | Wigan | 4 | 4 | | * 12,000 |
| 1909/10 Championship Playoffs | Oldham | 4 | 3 | | * 10,850 |
| 1910/11 Championship Playoffs | Oldham | 4 | 4 | | * 15,543 |
| 1911/12 Championship Playoffs | Huddersfield | 4 | 3 | | * 15,000 |
| 1912/13 Championship Playoffs | Huddersfield | 4 | 3 | | * 17,000 |
| 1913/14 Championship Playoffs | Salford | 4 | 3 | | * 8,091 |
| 1914/15 Championship Playoffs | Huddersfield | 4 | 3 | | * 14,000 |
| 1919/20 Championship Playoffs | Hull | 4 | 3 | | * 12,900 |
| 1920/21 Championship Playoffs | Hull | 4 | 3 | | * 10,000 |
| 1921/22 Championship Playoffs | Wigan | 4 | 3 | | * 26,000 |
| 1922/23 Championship Playoffs | Hull KR | 4 | 3 | | * 14,000 |
| 1923/24 Championship Playoffs | Batley | 4 | 3 | | * 13,729 |
| 1924/25 Championship Playoffs | Hull KR | 4 | 3 | | * 21,580 |
| 1925/26 Championship Playoffs | Wigan | 4 | 3 | | * 20,000 |
| 1926/27 Championship Playoffs | Swinton | 4 | 3 | | * 24,432 |
| 1927/28 Championship Playoffs | Swinton | 4 | 3 | | * 15,451 |
| 1928/29 Championship Playoffs | Huddersfield | 4 | 3 | | * 25,604 |
| 1929/30 Championship Playoffs | Huddersfield | 4 | 4 | | * 25,329 |
| 1930/31 Championship Playoffs | Swinton | 4 | 3 | | * 31,000 |
| 1931/32 Championship Playoffs | St Helens | 4 | 3 | | * 19,386 |
| 1932/33 Championship Playoffs | Salford | 4 | 3 | | * 18,000 |
| 1933/34 Championship Playoffs | Wigan | 4 | 3 | | * 31,564 |
| 1934/35 Championship Playoffs | Swinton | 4 | 3 | | * 27,700 |
| 1935/36 Championship Playoffs | Hull | 4 | 3 | | * 15,638 |
| 1936/37 Championship Playoffs | Salford | 4 | 3 | | * 31,500 |
| 1937/38 Championship Playoffs | Hunslet | 4 | 3 | | * 54,112 |
| 1938/39 Championship Playoffs | Salford | 4 | 3 | | * 69,504 |
| 1939/40 Championship Playoffs | Bradford | 2 | 2 | | 8,261 |
| 1940/41 Championship Playoffs | Bradford | 2 | 2 | | 15,725 |
| 1941/42 Championship Playoffs | Dewsbury | 4 | 3 | | * 18,000 |
| 1942/43 Championship Playoffs | | 5 | 5 | | * 8,350 |
| 1943/44 Championship Playoffs | Wigan | 4 | 4 | | * 11,500 |
| 1944/45 Championship Playoffs | Bradford | 4 | 4 | | * 12,713 |
| 1945/46 Championship Playoffs | Wigan | 4 | 3 | | * 67,136 |
| 1946/47 Championship Playoffs | Wigan | 4 | 3 | | * 40,599 |
| 1947/48 Championship Playoffs | Warrington | 4 | 3 | | * 69,143 |
| 1948/49 Championship Playoffs | Huddersfield | 4 | 3 | | * 75,194 |
| 1949/50 Championship Playoffs | Wigan | 4 | 4 | | * 65,065 |
| 1950/51 Championship Playoffs | Workington | 4 | 3 | | * 61,618 |
| 1951/52 Championship Playoffs | Wigan | 4 | 3 | | * 48,684 |
| 1952/53 Championship Playoffs | St Helens | 4 | 3 | | * 51,083 |
| 1953/54 Championship Playoffs | Warrington | 4 | 3 | | * 36,519 |
| 1954/55 Championship Playoffs | Warrington | 4 | 3 | | * 49,434 |
| 1955/56 Championship Playoffs | Hull | 4 | 3 | | * 36,675 |
| 1956/57 Championship Playoffs | Oldham | 4 | 3 | | * 62,233 |
| 1957/58 Championship Playoffs | Hull | 4 | 3 | | * 57,699 |
| 1958/59 Championship Playoffs | St Helens | 4 | 3 | | * 52,560 |
| 1959/60 Championship Playoffs | Wigan | 4 | 3 | | * 83,190 |
| 1960/61 Championship Playoffs | Leeds | 4 | 3 | | * 52,177 |
| 1961/62 Championship Playoffs | Huddersfield | 4 | 3 | | * 37,451 |
| 1964/65 Championship Playoffs | Halifax | 16 | 15 | | * 20,776 |
| 1965/66 Championship Playoffs | St Helens | 16 | 15 | | * 30,634 |
| 1966/67 Championship Playoffs | Wakefield | 16 | 17 | | * 26,849 |
| 1967/68 Championship Playoffs | Wakefield | 16 | 15 | | * 22,586 |
| 1968/69 Championship Playoffs | Leeds | 16 | 15 | | * 28,442 |
| 1969/70 Championship Playoffs | St Helens | 16 | 17 | | * 26,358 |
| 1970/71 Championship Playoffs | St Helens | 16 | 15 | | * 21,745 |
| 1971/72 Championship Playoffs | Leeds | 16 | 15 | | * 24,055 |
| 1972/73 Championship Playoffs | Dewsbury | 16 | 15 | | * 18,889 |
| 1973/74 Championship Playoffs | Salford | 4 | 3 | | * 18,040 |
