collingwood (2nd) v st kilda (4th) mcg
collingwood overrun st kilda by 9 points they will play south in the grand final.
| Collingwood | 2.5 | 4.6 | 5.11 | 7.16 | 58 | Sat 17-Aug-1918 2:30 pm | M.C.G. | 28,375 |
| St. Kilda | 2.1 | 6.5 | 7.6 | 7.7 | 49 | Collingwood won by 9 points | ||
south (1st) v carlton (3rd) mcg
south make the grand final beating carlton by 5 points they will play collingwood for the flag.
| Carlton | 2.3 | 4.6 | 5.7 | 7.11 | 53 | Sat 31-Aug-1918 2:30 pm | M.C.G. | 36,116 |
| South Melbourne | 3.3 | 4.3 | 6.8 | 8.10 | 58 | South Melbourne won by 5 points | ||
grand final
south v collingwood MCG