Washington 1981 • ATP 500 — Draw
20 july — 2 august
- USAx30
- Argentinax5
- Spainx5
- Chilex4
- Francex4
- Czech Republicx2
- Ecuadorx2
- South Africax2
- Uruguayx2
- Australiax1
- Boliviax1
- Brazilx1
- Croatiax1
- Italyx1
- Mexicox1
- Paraguayx1
- Perux1
- USAx13
- Argentinax4
- Spainx4
- Ecuadorx2
- Francex2
- Boliviax1
- Chilex1
- Croatiax1
- Czech Republicx1
- Mexicox1
- Paraguayx1
- Uruguayx1
- USAx6
- Argentinax2
- Spainx2
- Boliviax1
- Czech Republicx1
- Ecuadorx1
- Francex1
- Mexicox1
- Uruguayx1
- Argentinax2
- USAx2
- Boliviax1
- Czech Republicx1
- Ecuadorx1
- Mexicox1
- Argentinax2
- Czech Republicx1
- Ecuadorx1