Gstaad 1978 • ATP 250Undhian
10 — 10 july
- Australiax4
- Argentinax3
- Republik Cekox3
- Jermanx3
- Walandax3
- Kroasiax2
- Prancisx2
- Britania Rayax2
- Selandia Anyarx2
- Swissx2
- ASx2
- Austriax1
- Brasilx1
- Chilix1
- Afrika Kidulx1
- Australiax3
- Walandax3
- Argentinax2
- Jermanx2
- Austriax1
- Chilix1
- Britania Rayax1
- Afrika Kidulx1
- Swissx1
- ASx1
- Argentinax2
- Australiax1
- Chilix1
- Jermanx1
- Walandax1
- Swissx1
- ASx1