1997 Internazionali di Tennis di San Marino – Singles

Albert Costa was the defending champions, but chose to compete at Cincinnati in the same week.

Félix Mantilla won the title by defeating Magnus Gustafsson 6–4, 6–1 in the final.

Seeds
• # 🇪🇸 Félix Mantilla (champion)

• # 🇪🇸 Alberto Berasategui (second round)

• # 🇪🇸 Albert Portas (first round)

• # 🇪🇸 Javier Sánchez (quarterfinals)

• # 🇲🇦 Hicham Arazi (first round)

• # 🇸🇰 Dominik Hrbatý (semifinals)

• # Marcelo Filippini (first round)

• # 🇳🇴 Christian Ruud (quarterfinals)