Most Weeks at No. 1 – Active ATP Players

About this leaderboard

This ATP Weeks at No. 1 leaderboard ranks time spent at No. 1 using audited official totals, then validated weekly ranking snapshots for new weeks after the audited anchor. Active view ranks players currently treated as active using their selected-era record. Related columns compare official ranking points, weeks at No. 1, Elo, and set-margin records.