San Jose 1978 • ATP 250Undhian
25 — 25 september
- ASx42
- Australiax8
- Afrika Kidulx5
- Swediax3
- Britania Rayax2
- Prancisx1
- Italiax1
- Paraguayx1
- Zimbabwex1
- ASx20
- Australiax5
- Swediax2
- Britania Rayax1
- Italiax1
- Paraguayx1
- Afrika Kidulx1
- Zimbabwex1
- ASx11
- Australiax1
- Britania Rayax1
- Italiax1
- Swediax1
- Zimbabwex1