| 1978 Monte Carlo Open | ||||
|---|---|---|---|---|
| Date | 10–16 April | |||
| Edition | 72nd | |||
| Category | Grand Prix circuit (WCT) | |||
| Draw | 32S / 16D | |||
| Prize money | $175,000 | |||
| Surface | Clay / outdoor | |||
| Location | Roquebrune-Cap-Martin, France | |||
| Venue | Monte Carlo Country Club | |||
| Champions | ||||
| Singles | ||||
 Raúl Ramírez[1] | ||||
| Doubles | ||||
 Peter Fleming / Tomáš Šmíd[2] | ||||
| ||||
The1978 Monte Carlo Open was a men'stennis tournament played onoutdoor clay courts at theMonte Carlo Country Club inRoquebrune-Cap-Martin, France. The tournament was part of theWCT Tour, which was incorporated into the1978 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.[3]
Raúl Ramírez defeatedTomáš Šmíd 6–3, 6–3, 6–4
Peter Fleming /Tomáš Šmíd defeated
Jaime Fillol /
Ilie Năstase 6–4, 7–5