Houston 1973 • ATP 250 — Auslosung
13 — 13 august
- USAx15
- Australiax4
- Chilex4
- Francex4
- Great Britainx3
- Argentinax2
- Spainx2
- Italyx2
- South Africax2
- Colombiax1
- Croatiax1
- Czech Republicx1
- Denmarkx1
- Egyptx1
- Germanyx1
- Japanx1
- Mexicox1
- New Zealandx1
- Pakistanx1
- Romaniax1
- Zimbabwex1
- USAx10
- Australiax3
- Chilex3
- Francex3
- Spainx2
- Argentinax1
- Croatiax1
- Denmarkx1
- Egyptx1
- Great Britainx1
- Germanyx1
- Italyx1
- Japanx1
- Mexicox1
- New Zealandx1
- Romaniax1
- USAx4
- Francex3
- Australiax2
- Spainx2
- Argentinax1
- Italyx1
- Japanx1
- Mexicox1
- Romaniax1
- USAx3
- Francex2
- Spainx1
- Italyx1
- Mexicox1
- Spainx1
- Francex1
- Mexicox1
- USAx1