The 2005 A-League Pre-Season Challenge Cup was played in the lead up to the inaugural (2005-06) A-League season. It was won by the Central Coast Mariners, who beat Perth Glory in the final.
| Tournament details | |
|---|---|
| Country |  Australia New Zealand |
| Teams | 8 |
| Final positions | |
| Champions | Central Coast Mariners (1st title) |
| Runner-up | Perth Glory |
| Tournament statistics | |
| Matches played | 15 |
| Goals scored | 34 (2.27 per match) |
| Top goal scorer(s) | Bobby Despotovski Nik Mrdja Sasho Petrovski (3 goals) |
Group stage edit
Group A edit
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification or relegation |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Melbourne Victory | 3 | 1 | 2 | 0 | 2 | 1 | +1 | 5 | Advance to semi-finals |
| 2 | Perth Glory | 3 | 1 | 1 | 1 | 4 | 4 | 0 | 4 | |
| 3 | Adelaide United | 3 | 0 | 3 | 0 | 3 | 3 | 0 | 3 | |
| 4 | Newcastle Jets | 3 | 0 | 2 | 1 | 3 | 4 | −1 | 2 |
Source: [citation needed]
| Newcastle Jets | 1–1 | Melbourne Victory |
|---|---|---|
Deans  28' |
Summary | Thompson 85' |
| Adelaide United | 2–2 | Perth Glory |
|---|---|---|
| Aloisi 54' Valkanis 62' |
Report | Valkanis 29' (o.g.) Despotovski 52' |
| Adelaide United | 1–1 | Newcastle Jets |
|---|---|---|
| Valkanis 74' |
Report | Johnson 79' |
| Perth Glory | 2–1 | Newcastle Jets |
|---|---|---|
| Despotovski 12', 61' |
Report | Thompson 29' |
Group B edit
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification or relegation |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sydney FC | 3 | 2 | 1 | 0 | 5 | 1 | +4 | 7 | Advance to semi-finals |
| 2 | Central Coast Mariners | 3 | 2 | 0 | 1 | 4 | 3 | +1 | 6 | |
| 3 | Queensland Roar | 3 | 1 | 1 | 1 | 6 | 3 | +3 | 4 | |
| 4 | New Zealand Knights | 3 | 0 | 0 | 3 | 1 | 9 | −8 | 0 |
Source: [citation needed]
| Central Coast Mariners | 3–1 | Queensland Roar |
|---|---|---|
| Mrdja 22', 40', 59' |
Report | Tollenaere 29' |
| Sydney FC | 3–1 | New Zealand Knights |
|---|---|---|
| Yorke 25' (pen.) Petrovski 45', 72' |
Report | Fitzsimmons 83' |
| New Zealand Knights | 0–5 | Queensland Roar |
|---|---|---|
| Report | Brownlie 8', 9' Tollenaere 82'Moon 90'Murdocca 90' |
| Central Coast Mariners | 0–2 | Sydney FC |
|---|---|---|
| Report | Corica 57' Petrovski 79' |
Knockout stage edit
Semi-finals edit
| Melbourne Victory | 1–3 | Central Coast Mariners |
|---|---|---|
| Byrnes 31' |
Summary | Pondeljak 39' (pen.), 53' Brown 66' |
| Sydney FC | 0–1 | Perth Glory |
|---|---|---|
| Summary | Ward 90' |