Fifth-seeded Mark Edmondson won the singles title at the 1981 South Australian Open tennis tournament, defeating Brad Drewett 7–5, 6–2 in the final.
Seeds
n/a Colin Dibley (first round) Tim Gullikson (quarterfinals) Chris Lewis (second round) Mark Edmondson (champion) Eddie Edwards (semifinals) Syd Ball (semifinals) Geoff Masters (first round)
Draw
Finals
Top half
Bottom half
External links 1981 South Australian Open draw