Amersfoort 1978 • ATP 250 — Undhian
24 — 24 july
- Australiax9
- Walandax6
- Jermanx3
- Chilix2
- Prancisx2
- Britania Rayax2
- ASx2
- Spanyolx1
- Finlandiax1
- Hongariax1
- Italiax1
- Meksikox1
- Afrika Kidulx1
- Australiax5
- Jermanx2
- Walandax2
- Chilix1
- Spanyolx1
- Finlandiax1
- Prancisx1
- Britania Rayax1
- Hongariax1
- Italiax1
- Jermanx2
- Australiax1
- Prancisx1
- Britania Rayax1
- Hongariax1
- Italiax1
- Walandax1
- Jermanx1
- Hongariax1
- Italiax1
- Walandax1