1970 Western Championships

The 1970 Western Championships, also known as the Cincinnati Open, was a combined men's and women's tennis tournament played on outdoor clay courts at the Cincinnati Tennis Club in Cincinnati, Ohio in the United States that was part of the 1970 Pepsi-Cola Grand Prix circuit. The tournament was held from July 20 through July 26, 1970. Ken Rosewall and Rosie Casals won the singles titles.

Men's singles
🇦🇺 Ken Rosewall defeated 🇺🇸 Cliff Richey 7–9, 9–7, 8–6

Women's singles
🇺🇸 Rosie Casals defeated 🇺🇸 Nancy Richey 6–3, 6–3

Men's doubles
Ilie Năstase / Ion Țiriac defeated  Bob Hewitt /  Frew McMillan 6–3, 6–4

Women's doubles
🇺🇸 Rosie Casals / 🇫🇷 Gail Chanfreau defeated 🇦🇺 Helen Gourlay / Pat Walkden 12–10, 6–1