1978 Volvo International – Singles

John Alexander was the defending champion but lost in the final 6–4, 6–4 against Eddie Dibbs.

Seeds
All sixteen seeds received a bye to the second round.


 * 1) 🇺🇸 Eddie Dibbs (champion)
 * 2) 🇺🇸 Brian Gottfried (third round)
 * 3) 🇪🇸 Manuel Orantes (semifinals)
 * 4) 🇮🇹 Corrado Barazzutti (semifinals)
 * 5) 🇺🇸 Harold Solomon (quarterfinals)
 * 6) 🇪🇸 José Higueras (second round)
 * 7) 🇵🇱 Wojciech Fibak (quarterfinals)
 * 8) 🇦🇺 Ken Rosewall (second round)
 * 9) 🇦🇺 John Alexander (final)
 * 10) 🇺🇸 Arthur Ashe (third round)
 * 11)  Jaime Fillol (third round)
 * 12) 🇺🇸 Tim Gullikson (third round)
 * 13) 🇺🇸 Stan Smith (second round)
 * 14)  Hans Gildemeister (third round)
 * 15) 🇺🇸 Robert Lutz (second round)
 * 16) 🇺🇸 Hank Pfister (third round)