On Monday, the ATP announced its typical 52-week ranking system would shift to a 22-month cycle dating back to March 2019 and ending in December 2020.

On Monday, the ATP announced the revisions it is making in the rankings system due to the lengthy suspension of official tournament play caused by the coronavirus pandemic. The tour's ranking ...

Canada's Gabriel Diallo jumped 11 spots to a career-high No. 44 in the ATP world men's tennis rankings after winning his first ATP Tour title over the weekend.