Pennsylvania Lawn Tennis Championships

The Pennsylvania Lawn Tennis Championships also known as the Pennsylvania State Lawn Tennis Championships also known as the Pennsylvania Grass Court Open Championships was a tennis tournament played at the Merion Cricket Club in Haverford, Pennsylvania from 1894 to 1974.

History
The first edition was held in 1894. The women's championships event began in 1901 the women's tournament was known as the Pennsylvania and Eastern States Championships. It was part of the Eastern Grass Court Circuit, a series of grass court tournaments on the American Eastern Seaboard in the lead up to the U. S. National Championships which also included Rye/South Orange, Meadow Club, Newport Casino, and others.

The men's events were part of the Grand Prix tennis circuit from 1970–1974 They were held on outdoor hard courts from 1970–72 and grass courts from 1973–1974.

Men's singles
1results included on ITF website, but not ATP website

Women's singles
(incomplete roll)