Ranking history updated: 2026-03-17 04:30 UTC
Shinichi Sakamoto ATP Ranking History
Shinichi Sakamoto's ATP ranking history, with year-by-year summaries plus every available weekly rank, age and points snapshot.
Latest Rank
1,020
Latest date
Apr 23, 1990
Career high
274
Career-high date
Dec 23, 1974
Career-high points
2
Points-high date
Jan 1, 1990
Best year-end
274
Weeks at #1
0
Coverage: 263 distinct observed ranking weeks, Nov 11, 1974–Apr 23, 1990. 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.
| Season | Date | Week | Age | Rank | Points |
|---|---|---|---|---|---|
| 1985 | Aug 26 | 35 | 31.4 | #542 | 0 |
| 1985 | Aug 19 | 34 | 31.3 | #544 | 0 |
| 1985 | Aug 12 | 33 | 31.3 | #513 | 0 |
| 1985 | Jul 29 | 31 | 31.3 | #512 | 0 |
| 1985 | Jul 22 | 30 | 31.3 | #514 | 0 |
| 1985 | Jul 15 | 29 | 31.2 | #528 | 0 |
| 1985 | Jul 8 | 28 | 31.2 | #486 | 0 |
| 1985 | Jun 24 | 26 | 31.2 | #486 | 0 |
| 1985 | Jun 17 | 25 | 31.2 | #484 | 0 |
| 1985 | Jun 10 | 24 | 31.2 | #491 | 0 |
| 1985 | May 27 | 22 | 31.1 | #491 | 0 |
| 1985 | May 20 | 21 | 31.1 | #484 | 0 |
| 1985 | May 13 | 20 | 31.1 | #486 | 0 |
| 1985 | May 6 | 19 | 31.1 | #469 | 0 |
| 1985 | Apr 29 | 18 | 31.0 | #590 | 0 |
| 1985 | Apr 22 | 17 | 31.0 | #593 | 0 |
| 1985 | Apr 15 | 16 | 31.0 | #592 | 0 |
| 1985 | Apr 8 | 15 | 31.0 | #591 | 0 |
| 1985 | Apr 1 | 14 | 31.0 | #586 | 0 |
| 1985 | Mar 25 | 13 | 30.9 | #584 | 0 |
| 1985 | Mar 18 | 12 | 30.9 | #575 | 0 |
| 1985 | Mar 4 | 10 | 30.9 | #579 | 0 |
| 1985 | Feb 25 | 9 | 30.9 | #569 | 0 |
| 1985 | Feb 18 | 8 | 30.8 | #552 | 0 |
| 1985 | Feb 4 | 6 | 30.8 | #551 | 0 |
| 1985 | Jan 28 | 5 | 30.8 | #553 | 0 |
| 1985 | Jan 14 | 3 | 30.7 | #553 | 0 |
| 1985 | Jan 7 | 2 | 30.7 | #552 | 0 |
| 1984 | Dec 24 | 52 | 30.7 | #555 | 0 |
| 1984 | Dec 17 | 51 | 30.7 | #555 | 0 |
| 1984 | Dec 10 | 50 | 30.7 | #543 | 0 |
| 1984 | Nov 26 | 48 | 30.6 | #540 | 0 |
| 1984 | Nov 19 | 47 | 30.6 | #544 | 0 |
| 1984 | Nov 12 | 46 | 30.6 | #547 | 0 |
| 1984 | Oct 29 | 44 | 30.5 | #547 | 0 |
| 1984 | Oct 22 | 43 | 30.5 | #607 | 0 |
| 1984 | Oct 15 | 42 | 30.5 | #570 | 0 |
| 1984 | Oct 8 | 41 | 30.5 | #625 | 0 |
| 1984 | Oct 1 | 40 | 30.5 | #619 | 0 |
| 1984 | Sep 24 | 39 | 30.4 | #620 | 0 |
| 1984 | Sep 17 | 38 | 30.4 | #623 | 0 |
| 1984 | Sep 10 | 37 | 30.4 | #630 | 0 |
| 1984 | Aug 27 | 35 | 30.4 | #631 | 0 |
| 1984 | Aug 20 | 34 | 30.3 | #627 | 0 |
| 1984 | Aug 13 | 33 | 30.3 | #624 | 0 |
| 1984 | Aug 6 | 32 | 30.3 | #681 | 0 |
| 1984 | Jul 30 | 31 | 30.3 | #669 | 0 |
| 1984 | Jul 23 | 30 | 30.3 | #675 | 0 |
| 1984 | Jul 16 | 29 | 30.3 | #662 | 0 |
| 1984 | Jul 9 | 28 | 30.2 | #668 | 0 |
| 1984 | Jun 25 | 26 | 30.2 | #667 | 0 |
| 1984 | Jan 2 | 1 | 29.7 | #480 | 0 |
| 1983 | Jan 3 | 1 | 28.7 | #473 | 0 |
| 1980 | Dec 22 | 52 | 26.7 | #390 | — |
| 1979 | Dec 26 | 52 | 25.7 | #454 | 0 |
| 1978 | Dec 31 | 52 | 24.7 | #374 | — |
| 1975 | Jun 2 | 23 | 21.1 | #330 | 0 |
| 1975 | May 5 | 19 | 21.1 | #333 | — |
| 1975 | Apr 14 | 16 | 21.0 | #324 | — |
| 1975 | Mar 10 | 11 | 20.9 | #306 | — |
| 1975 | Jan 20 | 4 | 20.8 | #281 | — |
| 1974 | Dec 23 | 52 | 20.7 | #274 | — |
| 1974 | Nov 11 | 46 | 20.6 | #297 | — |