It now incorporated 44 tournaments staged in Australia, Great Britain and Ireland and the United States.

The 1880 Wimbledon Championships was won by John Hartley against Herbert Lawford, in the Challenge Round.

The tour began in April Cheltenham, England and ended in October in Boston, Massachusetts, United States.

Notes 1: Challenge Round: the final round of a tournament, in which the winner of a single-elimination phase faces the previous year's champion, who plays only that one match.

The challenge round was used in the early history of tennis (from 1877 through 1921),[3] in some tournaments not all.Notes 2:Tournaments in italics were events that were staged only once that season Key No events No events Note:List is alphabetical by first name and Important tournaments in bold Source: The Concise History of Tennis