2021 Adelaide United Results
| Date | Comp | Opponent | Venue | FT | WDL |
|---|---|---|---|---|---|
| Sat 19-06 |  Australia A-LeagueA-L | Sydney | Away | 1‑2 | L |
| Sun 13-06 | Australia A-LeagueA-L | Brisbane | Away | 2‑1 | W |
| Thu 03-06 | Australia A-LeagueA-L | Western Sydney | Home | 2‑2 | D |
| Sat 29-05 | Australia A-LeagueA-L | Sydney | Home | 1‑4 | L |
| Sun 23-05 | Australia A-LeagueA-L | Melbourne Victory | Away | 1‑0 | W |
| Wed 19-05 | Australia A-LeagueA-L | Perth | Away | 1‑2 | L |
| Sun 16-05 | Australia A-LeagueA-L | Brisbane | Home | 1‑0 | W |
| Thu 13-05 | Australia A-LeagueA-L | Melbourne City | Away | 1‑4 | L |
| Fri 07-05 | Australia A-LeagueA-L | Wellington | Home | 0‑0 | D |
| Fri 30-04 | Australia A-LeagueA-L | Western United | Home | 0‑0 | D |
| Sun 25-04 | Australia A-LeagueA-L | Wellington | Away | 1‑2 | L |
| Sun 18-04 | Australia A-LeagueA-L | Sydney | Away | 2‑2 | D |
| Wed 14-04 | Australia A-LeagueA-L | Macarthur FC | Home | 3‑1 | W |
| Sat 10-04 | Australia A-LeagueA-L | Western Sydney | Home | 1‑1 | D |
| Thu 01-04 | Australia A-LeagueA-L | Central Coast Mariners | Away | 1‑2 | L |