This repository collects all ATP rankings from the Open Era.

The official rankings are available on the ATP website and stored in the Official ATP Rankings folder. However, many of these contain missing information, which has been completed as follows:

During this period, ATP rankings were not published on a weekly basis. Thanks to the work of Slasher1985, found online, it has been possible to reconstruct the week-by-week rankings and add them to the database.

For these years, the rankings are complete in terms of positions but missing the points data. The missing information has been retrieved from Ultimate Tennis Statistics.