The 2005-06 season was Sydney FC's first season, formed to compete in the new AustralianA-League competition. The club finished second on the table in the regular season, and won the first A-League Grand Final, defeating 1-0. Sydney also represented Oceania at the FIFA Club World Championship 2005 where they were placed fifth.
Preliminary Competitions
Oceania Club Championship Australian Qualifying Tournament
Results
|- bgcolor="#CCCCFF" font size=1| Date| align=right width| Home team| align=center | Score| align=left | Away team| Venue| Crowd| Report|-| 7 May| align=right| Sydney FC| align=center | 3-0| Queensland Roar| Central Coast Stadium| ≈8000| |-| 11 May| align=right| Perth Glory| align=center | 1-2| Sydney FC| Members Equity Stadium| 9968| |-| 15 May| align=right| Central Coast Mariners| align=center | 0-1| Sydney FC| Central Coast Stadium| 9627| |-
2004–05 Oceania Club Championship
Group Table
Results
|- bgcolor="#CCCCFF" font size=1| Date| align=right width| Home team| align=center | Score| align=left | Away team| Venue| Crowd| Report|- bgcolor="#EEEEFF"| align=center colspan=7 | Group Stage|-| 31 May| align=right| Sydney FC| align=center | 3-2| Auckland City| Stade Pater, Tahiti| ≈4000| |-| 2 June| align=right| Sobou FC| align=center | 2-9| Sydney FC| Stade Pater, Tahiti| ≈3000| |-| 4 June| align=right| Sydney FC| align=center | 6-0| AS Pirae| Stade Pater, Tahiti| ≈1500| |-... Read More