| 09 Apr 21 | r01  | Campbelltown City SCCampbelltown | 1 - 2 | Adelaide City FCAdelaide City |
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| 17 Apr 21 | r02 | Adelaide City FCAdelaide City | 1 - 0 | Adelaide Blue EaglesAdelaide Blue |
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| 01 May 21 | r03 | Adelaide Raiders SCAdelaide Raid | 2 - 2 | Adelaide City FCAdelaide City |
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| 08 May 21 | r04 | Sturt Lions FCSturt Lions F | 0 - 1 | Adelaide City FCAdelaide City |
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| 22 May 21 | r05 | Adelaide City FCAdelaide City | 2 - 3 | Adelaide United FC U21Adelaide Unit |
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| 29 May 21 | r06 | Adelaide Olympic FCAdelaide Olym | 1 - 1 | Adelaide City FCAdelaide City |
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| 05 Jun 21 | r07 | Adelaide City FCAdelaide City | 3 - 1 | North Eastern MetroStars North Eastern |
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| 12 Jun 21 | r08 | Adelaide Comets FCAdelaide Come | 2 - 0 | Adelaide City FCAdelaide City |
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| 19 Jun 21 | r09 | Adelaide City FCAdelaide City | 5 - 0 | Cumberland United FCCumberland Un |
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| 26 Jun 21 | r10 | South Adelaide Panthers FSouth Adelaid | 0 - 3 | Adelaide City FCAdelaide City |
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| 03 Jul 21 | r11 | Adelaide City FCAdelaide City | 1 - 1 | Croydon KingsCroydon Kings |
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| 10 Jul 21 | r12 | Adelaide City FCAdelaide City | 2 - 1 | Campbelltown City SCCampbelltown |
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| 17 Jul 21 | r13 | Adelaide Blue EaglesAdelaide Blue | 0 - 0 | Adelaide City FCAdelaide City |
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| 07 Aug 21 | r16 | Adelaide United FC U21Adelaide Unit | 2 - 4 | Adelaide City FCAdelaide City |
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| 14 Aug 21 | r17 | Adelaide City FCAdelaide City | 2 - 0 | Adelaide Olympic FCAdelaide Olym |
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| 17 Aug 21 | r14 | Adelaide City FCAdelaide City | 5 - 1 | Adelaide Raiders SCAdelaide Raid |
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| 21 Aug 21 | r18  | North Eastern MetroStars North Eastern | 0 - 0 | Adelaide City FCAdelaide City |
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| 28 Aug 21 | r19 | Adelaide City FCAdelaide City | 1 - 2 | Adelaide Comets FCAdelaide Come |
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| 01 Sep 21 | r15 | Adelaide City FCAdelaide City | 2 - 0 | Sturt Lions FCSturt Lions F |
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| 04 Sep 21 | r20 | Cumberland United FCCumberland Un | 2 - 2 | Adelaide City FCAdelaide City |
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| 11 Sep 21 | r21 | Adelaide City FCAdelaide City | 0 - 0 | South Adelaide Panthers FSouth Adelaid |
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| 18 Sep 21 | r22 | Croydon KingsCroydon Kings | 1 - 1 | Adelaide City FCAdelaide City |
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| 02 Oct 21 | r00 | Adelaide City FCAdelaide City | 0 - 1 | Adelaide Comets FCAdelaide Come |
| 08 Oct 21 | r00 | Adelaide Comets FCAdelaide Come | 1 - 3 | Adelaide City FCAdelaide City |
| 08 Oct 21 | r00 | Adelaide Comets FCAdelaide Come | 1 - 3 | Adelaide City FCAdelaide City |
| 22 Oct 21 | r00 | Adelaide City FCAdelaide City | 0 - 0 | Adelaide Comets FCAdelaide Come |
Team 2021 Schedules
Adelaide City
Adelaide Comets
Adelaide United Youth
Campbelltown City
Croydon
FK Beograd
Para Hills Knights
Playford City Patriots
Sturt Lions
West Adelaide
West Torrens Birkalla
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