1988 Cedok Open – Singles

Marián Vajda was the defending champion, but lost in the first round to Martin Střelba.

Thomas Muster won the title by defeating Guillermo Pérez Roldán 6–4, 5–7, 6–2 in the final.

Seeds
• # Miloslav Mečíř (quarterfinals)

• # 🇦🇷 Guillermo Pérez Roldán (final)

• # 🇦🇹 Thomas Muster (champion)

• # Tomáš Šmíd (second round)

• # 🇺🇸 Lawson Duncan (quarterfinals)

• # Milan Šrejber (quarterfinals)

• # 🇦🇹 Horst Skoff (second round)

• # Andrei Olhovskiy (second round)