1980 Custom Credit Australian Indoor Championships – Singles
| Singles | |
|---|---|
| 1980 Custom Credit Australian Indoor Championships | |
| Champion |
 John McEnroe
|
| Runner-up |
Vitas Gerulaitis
|
| Final score | 6–3, 6–4 |
Vitas Gerulaitis was the defending champion but lost in the final 6–3, 6–4 to John McEnroe.
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