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| 1st(1st leg) | Northern Spirit | - | Marconi-Fairfield Stallions | 0:0 (0:0) | ||
| 2nd (2nd leg) | Marconi-Fairfield Stallions | - | Northern Spirit | 2:1 (1:0) | ||
| 1st(1st leg): 30/04/1999 | 2nd (2nd leg): 09/05/1999 | Winner: Marconi-Fairfield Stallions | ||||
| 1st(1st leg) | Adelaide City Zebras | - | Perth Glory | 0:0 (0:0) | ||
| 2nd (2nd leg) | Perth Glory | - | Adelaide City Zebras | 2:1 (0:0) | ||
| 1st(1st leg): 02/05/1999 | 2nd (2nd leg): 08/05/1999 | Winner: Perth Glory | ||||
