Results
| Championship Playoffs - Round 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Sat | 24 Apr 1965 | Castleford | 18 | Hunslet | 7 | Wheldon Road | |||
| Sat | 24 Apr 1965 | Halifax | 28 | Leeds | 11 | Thrum | |||
| Sat | 24 Apr 1965 | Hull KR | 26 | Oldham | 14 | Craven Park | |||
| Sat | 24 Apr 1965 | St Helens | 23 | Barrow | 7 | Knowsley | |||
| Sat | 24 Apr 1965 | Wakefield T. | 15 | Hull | 9 | Belle Vue | |||
| Sat | 24 Apr 1965 | Warrington | 10 | Leigh | 4 | Wilderspool | |||
| Sat | 24 Apr 1965 | Wigan | 8 | Featherstone R. | 15 | Central Park | |||
| Sat | 24 Apr 1965 | Workington | 29 | Swinton | 2 | Derwent Park | |||
| Championship Playoffs - Round 2 | |||||||||
| Fri | 30 Apr 1965 | Halifax | 31 | Featherstone R. | 6 | Thrum | |||
| Fri | 30 Apr 1965 | St Helens | 24 | Hull KR | 6 | Knowsley | |||
| Sat | 01 May 1965 | Castleford | 11 | Workington | 3 | Wheldon Road | |||
| Sat | 01 May 1965 | Wakefield T. | 17 | Warrington | 8 | Belle Vue | |||
| Championship Playoffs - Semi Final | |||||||||
| Sat | 15 May 1965 | Castleford | 18 | Halifax | 26 | Wheldon Road | |||
| Sat | 15 May 1965 | St Helens | 10 | Wakefield T. | 5 | Knowsley | |||
| Championship Playoffs - Final | |||||||||
| Sat | 22 May 1965 | St Helens | 7 | Halifax | 15 | Station Road | 20,776 | ||