1991 Volvo International – Singles

Derrick Rostagno was the defending champion but lost in the semifinals to Goran Ivanišević.

Petr Korda won in the final 6–4, 6–2 against Ivanišević.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top eight seeds received a bye to the second round. • # 🇸🇪 Stefan Edberg (third round)

• # Ivan Lendl (third round)

• # 🇺🇸 Brad Gilbert (second round)

• # 🇺🇸 John McEnroe (quarterfinals)

• # Goran Ivanišević (final)

• # 🇺🇸 Richey Reneberg (third round)

• # 🇸🇪 Jonas Svensson (third round)

• # Andrei Chesnokov (second round)

• # 🇺🇸 Derrick Rostagno (semifinals)

• # 🇺🇸 Michael Chang (quarterfinals)

• # Petr Korda (champion)

• # n/a

• # 🇮🇹 Omar Camporese (quarterfinals)

• # 🇦🇺 Todd Woodbridge (first round)

• # Richard Krajicek (quarterfinals)

• # Marc Rosset (semifinals)