Cincinnati Open 1971
Stan Smith won the title, beating Juan Gisbert 7–6 6–3 in the final.
Latest results
- Semifinal: Juan Gisbert def. Erik Van Dillen 6–3 6–2
- Semifinal: Stan Smith def. Patrick Proisy 6–4 6–1
- Quarterfinal: Erik Van Dillen def. Harold Solomon 4–6 6–3 6–2
- Quarterfinal: Juan Gisbert def. Tom Gorman 6–1 6–3
Cincinnati 1971 1971
- Defending champion
- Ken Rosewall
Ranking points by round
| Champion | 1,000 |
| Runner-up | 650 |
| Semifinal | 400 |
| Quarterfinal | 200 |
| Round of 16 | 100 |
| Round of 32 | 50 |
| Round of 64 | 30 |
| Round of 128 | 10 |
| Qualifier bonus | 20 |
Recent finals
| Year | Champion | Runner-up |
|---|---|---|
| 1970 | Ken Rosewall | Cliff Richey |
| 1969 | Cliff Richey | Allan Stone |
| 1968 | Bill Harris | Tom Gorman |
Matches by round
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Quarterfinals
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Round of 16
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Round of 32
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Round of 64
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