1978 ABN World Tennis Tournament

The 1978 ABN World Tennis Tournament was a men's tennis tournament played on indoor carpet courts at Rotterdam Ahoy in the Netherlands. It was a World Championship Tennis (WCT) event that was part of the 1978 Colgate-Palmolive Grand Prix circuit. It was the sixth edition of the tournament and was held from 3 April through 9 April 1978. First-seeded Jimmy Connors won the singles title.

Singles
🇺🇸 Jimmy Connors defeated 🇲🇽 Raúl Ramírez 7–5, 7–5

Doubles
🇺🇸 Fred McNair / 🇲🇽 Raúl Ramírez defeated 🇺🇸 Robert Lutz / 🇺🇸 Stan Smith 6–2, 6–3