1983 South Australian Open – Singles

Mike Bauer successfully defended his title, defeating Miloslav Mečíř 3–6, 6–4, 6–1 in the final.

Seeds

 * 1) 🇳🇿 Chris Lewis (quarterfinals)
 * 2) 🇦🇺 Pat Cash (quarterfinals)
 * 3) 🇦🇺 Paul McNamee (semifinals)
 * 4) 🇦🇺 John Fitzgerald (second round)
 * 5) 🇺🇸 Mike Bauer (champion)
 * 6) 🇺🇸 Chip Hooper (quarterfinals)
 * 7) 🇦🇺 Wally Masur (first round)
 * 8) 🇦🇺 Brad Drewett (semifinals)