See main article: 1987 Australian Open.
Defending champion Stefan Edberg defeated Pat Cash in the final, 6–3, 6–4, 3–6, 5–7, 6–3 to win the men's singles tennis title at the 1987 Australian Open. It was his second major singles title.
All seeds receive a bye into the second round.
See main article: 1987 Australian Open – Men's singles qualifying.