1991 Riklis Classic – Singles

Andrei Chesnokov was the defending champion, but did not participate this year.

Leonardo Lavalle won the tournament, beating Christo van Rensburg in the final, 6–2, 3–6, 6–3.

Seeds
• # Andrei Cherkasov (quarterfinals)

• # 🇦🇷 Martín Jaite (second round)

• # Mark Koevermans (first round)

• # 🇮🇱 Amos Mansdorf (first round)

• # 🇫🇷 Olivier Delaître (quarterfinals)

• # 🇸🇪 Lars Jonsson (first round)

• # 🇦🇷 Javier Frana (second round)

• # Jacco Eltingh (first round)