In 2022, during the most numerous season in the tour's history, the ATP Tour announced an overhaul of the tournaments system from 2023 season. Challenger 110 and Challenger 90 events were scrapped, Challenger 80 reduced to the Challenger 75 while the prize money requirements for it and Challenger 100 were increased. It also introduced the new highest category - Challenger 175 to be inaugurally held in the second week of Indian Wells, Rome and Madrid ATP Tour Masters 1000 events.

The points