carlton (3rd) v collingwood (4th) mcg
blues break pies run of 4 straight flags by 88 points carlton will play geelong in a prelim final.
| Q1 | Q2 | Q3 | Q4 | Score | Date / Result | Ground | Crowd | ||
| Carlton | 3.1 | 8.1 | 11.3 | 20.10 | 130 | Sat 19-Sep-1931 2:30 pm | M.C.G. | 51,140 | |
| Collingwood | 1.7 | 1.9 | 4.11 | 5.12 | 42 | Carlton won by 88 points | |||
geelong (1st) v richmond (2nd) mcg
tigers are through to a 4th grand final in 5 years beating geelong by 33 points. geelong must beat carlton for a shot at revenge.
| Q1 | Q2 | Q3 | Q4 | Score | Date / Result | Ground | Crowd | ||
| Richmond | 5.0 | 8.6 | 12.8 | 15.9 | 99 | Sat 26-Sep-1931 2:30 pm | M.C.G. | 48,353 | |
| Geelong | 5.2 | 7.2 | 9.3 | 10.6 | 66 | Richmond won by 33 points | |||
prelim final
geelong v carlton MCG