Ranking history updated: 2026-03-17 04:30 UTC
Chuck Willenborg ATP Ranking History
Chuck Willenborg's ATP ranking history, with year-by-year summaries plus every available weekly rank, age and points snapshot.
Latest Rank
888
Latest date
Jul 6, 1987
Career high
541
Career-high date
Sep 9, 1985
Career-high points
0
Points-high date
Feb 18, 1985
Best year-end
548
Weeks at #1
0
Coverage: 101 distinct observed ranking weeks, Feb 18, 1985–Jul 6, 1987. Available-week totals may undercount careers where historical snapshots are missing. Weeks at No. 1 counts available snapshots.
Select a legend item to show or hide that series. Focus the chart and use the left and right arrow keys to inspect ranking snapshots.