Cincinnati 1979 • ATP Masters 1000 — Draw
20 — 20 august
- USAx39
- Australiax8
- Francex3
- South Africax2
- Argentinax1
- Chilex1
- Czech Republicx1
- Ecuadorx1
- Great Britainx1
- Mexicox1
- Netherlandsx1
- New Zealandx1
- Paraguayx1
- Romaniax1
- Uruguayx1
- Zimbabwex1
- USAx23
- South Africax2
- Australiax1
- Chilex1
- Great Britainx1
- Mexicox1
- Netherlandsx1
- Paraguayx1
- Romaniax1
- USAx11
- Great Britainx1
- Mexicox1
- Paraguayx1
- Romaniax1
- South Africax1
- USAx6
- Romaniax1
- South Africax1