1990 Czechoslovak Open – Doubles

Jordi Arrese and Horst Skoff were the defending champions, but competed this year with different partners. Arrese teamed up with Stefano Pescosolido and lost in the quarterfinals to Tomáš Šmíd and Cyril Suk, while Skoff teamed up with Francisco Clavet and lost in the first round to Marcelo Filippini and Marián Vajda.

Vojtěch Flégl and Daniel Vacek won the title by defeating George Cosac and Florin Segărceanu 5–7, 6–4, 6–3 in the final.

Seeds
• # Tomáš Šmíd / Cyril Suk (semifinals)

• # 🇦🇷 Horacio de la Peña / 🇻🇪 Alfonso Mora (first round)

• # 🇩🇪 Udo Riglewski / Tomáš Anzari (quarterfinals)

• # 🇪🇸 Francisco Clavet / 🇦🇹 Horst Skoff (quarterfinals)