Ranking history updated: 2026-03-17 04:30 UTC

S. Kosugi ATP Ranking History

Explore every available weekly ranking snapshot for S. Kosugi, including age, ranking points, and links into the matching season tables.

Related: S. Kosugi profile S. Kosugi full match log
Related players: Takao Suzuki K. Watanabe K. Tanabe D. Ralston B. Bowrey
Latest Rank
579
Latest date
Dec 26, 1979
Career high
274
Best year-end
274
Weeks at #1
0
Top 10 weeks
0
Top 100 weeks
0
Ranked Weeks
9

Ranking Chart

Weekly Rankings Table

Date Week Age Rank Points
1979 Dec 26 52 — 579 0
1978 Dec 31 52 — 496 —
1975 Jun 2 23 — 330 0
1975 May 5 19 — 333 —
1975 Apr 14 16 — 324 —
1975 Mar 10 11 — 306 —
1975 Jan 20 4 — 281 —
1974 Dec 23 52 — 274 —
1974 Nov 11 46 — 297 —