Ranking history updated: 2026-03-17 04:30 UTC
Sadao Kosugi ATP Ranking History
Explore every available weekly ranking snapshot for Sadao Kosugi, including age, ranking points, and links into the matching season tables.
Latest Rank
579
Latest date
Dec 26, 1979
Career high
274
Best year-end
274
Weeks at #1
0
Available Top 10 weeks
0
Available Top 100 weeks
0
Available ranked weeks
9
Available-week totals count distinct ranking weeks in TennisDB and may undercount careers where historical snapshots are missing. Weeks at No. 1 counts available snapshots.
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