Washington 1978 • ATP 500 — Auslosung
23 — 23 juli
- USAx31
- Australiax12
- Chilex3
- Colombiax2
- Spainx2
- Mexicox2
- Paraguayx2
- South Africax2
- Argentinax1
- Boliviax1
- Canadax1
- Egyptx1
- Francex1
- Great Britainx1
- Italyx1
- Polandx1
- USAx15
- Australiax6
- Chilex2
- Spainx2
- Paraguayx2
- Boliviax1
- Colombiax1
- Great Britainx1
- Mexicox1
- Polandx1
- USAx7
- Australiax3
- Chilex2
- Spainx2
- Mexicox1
- Polandx1
- USAx3
- Chilex2
- Spainx2
- Polandx1