1978 Monte Carlo WCT

The 1978 Monte Carlo Open was a men's tennis tournament played on outdoor clay courts at the Monte Carlo Country Club in Roquebrune-Cap-Martin, France. The tournament was part of the WCT Tour, which was incorporated into the 1978 Colgate-Palmolive Grand Prix circuit. It was the 72nd edition of the event and was held from 10 April through 16 April 1978. Raúl Ramírez, the no. 5 seed, won the singles title.

Singles
🇲🇽 Raúl Ramírez defeated Tomáš Šmíd 6–3, 6–3, 6–4
 * It was Ramírez' 2nd singles title of the year and the 15th of his career.

Doubles
🇺🇸 Peter Fleming / Tomáš Šmíd defeated  Jaime Fillol /  Ilie Năstase 6–4, 7–5