Gstaad 1980 • ATP 250 — Undhian
7 july — 10 august
- Prancisx6
- Australiax4
- Jermanx3
- Swissx3
- Argentinax2
- Brasilx2
- Spanyolx2
- Selandia Anyarx2
- ASx2
- Austriax1
- Kroasiax1
- Britania Rayax1
- Hongariax1
- Israelx1
- Paraguayx1
- Australiax4
- Prancisx2
- Swissx2
- ASx2
- Brasilx1
- Jermanx1
- Hongariax1
- Israelx1
- Selandia Anyarx1
- Paraguayx1
- Australiax3
- Brasilx1
- Hongariax1
- Israelx1
- Selandia Anyarx1
- Swissx1
- Australiax1
- Brasilx1
- Hongariax1
- Swissx1