1978 Fischer-Grand Prix – Singles

Brian Gottfried was the defending champion but lost in the quarterfinals to Johan Kriek.

Stan Smith won in the final 4–6, 7–6, 7–6, 6–3 against Balázs Taróczy.

Seeds

 * 1) 🇺🇸 Brian Gottfried (quarterfinals)
 * 2) 🇮🇹 Corrado Barazzutti (semifinals)
 * 3) 🇭🇺 Balázs Taróczy (final)
 * 4) 🇺🇸 Stan Smith (champion)
 * 5)  Johan Kriek (semifinals)
 * 6)  Tomáš Šmíd (quarterfinals)
 * 7)  Jaime Fillol (first round)
 * 8)  Karl Meiler (second round)