Ranking history updated: 2026-05-30 21:14 UTC
Naoko Sawamatsu WTA Ranking History
Naoko Sawamatsu's WTA ranking history, with year-by-year summaries plus every available weekly rank, age and points snapshot.
Latest Rank
266
Latest date
Aug 23, 1999
Career high
14
Career-high date
Feb 6, 1995
Career-high points
881
Points-high date
Jul 6, 1998
Best year-end
17
Weeks at #1
0
Coverage: 514 distinct observed ranking weeks, Oct 23, 1989–Aug 23, 1999. 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 |
|---|---|---|---|---|---|
| 1997 | Jun 23 | 26 | 24.3 | #45 | 509 |
| 1997 | Jun 30 | 27 | 24.3 | #45 | 509 |
| 1997 | Jul 7 | 28 | 24.3 | #47 | 483 |
| 1997 | Jul 14 | 29 | 24.3 | #47 | 483 |
| 1997 | Jul 21 | 30 | 24.3 | #48 | 483 |
| 1997 | Jul 28 | 31 | 24.3 | #50 | 483 |
| 1997 | Aug 4 | 32 | 24.4 | #51 | 483 |
| 1997 | Aug 11 | 33 | 24.4 | #52 | 484 |
| 1997 | Aug 18 | 34 | 24.4 | #43 | 590 |
| 1997 | Aug 25 | 35 | 24.4 | #44 | 594 |
| 1997 | Sep 1 | 36 | 24.4 | #44 | 594 |
| 1997 | Sep 8 | 37 | 24.5 | #47 | 591 |
| 1997 | Sep 15 | 38 | 24.5 | #47 | 591 |
| 1997 | Sep 22 | 39 | 24.5 | #41 | 675 |
| 1997 | Sep 29 | 40 | 24.5 | #41 | 675 |
| 1997 | Oct 6 | 41 | 24.5 | #41 | 675 |
| 1997 | Oct 13 | 42 | 24.6 | #36 | 782 |
| 1997 | Oct 20 | 43 | 24.6 | #35 | 782 |
| 1997 | Oct 27 | 44 | 24.6 | #34 | 810 |
| 1997 | Nov 3 | 45 | 24.6 | #34 | 810 |
| 1997 | Nov 10 | 46 | 24.6 | #34 | 810 |
| 1997 | Nov 17 | 47 | 24.7 | #34 | 810 |
| 1997 | Nov 24 | 48 | 24.7 | #34 | 810 |
| 1997 | Dec 1 | 49 | 24.7 | #34 | 810 |
| 1997 | Dec 8 | 50 | 24.7 | #34 | 810 |
| 1997 | Dec 15 | 51 | 24.7 | #34 | 810 |
| 1997 | Dec 22 | 52 | 24.8 | #34 | 808 |
| 1997 | Dec 29 | 1 | 24.8 | #34 | 808 |
| 1998 | Jan 5 | 2 | 24.8 | #32 | 808 |
| 1998 | Jan 12 | 3 | 24.8 | #33 | 755 |
| 1998 | Jan 19 | 4 | 24.8 | #34 | 779 |
| 1998 | Jan 26 | 5 | 24.8 | #33 | 778 |
| 1998 | Feb 2 | 6 | 24.9 | #35 | 729 |
| 1998 | Feb 9 | 7 | 24.9 | #32 | 772 |
| 1998 | Feb 16 | 8 | 24.9 | #32 | 772 |
| 1998 | Feb 23 | 9 | 24.9 | #30 | 772 |
| 1998 | Mar 2 | 10 | 24.9 | #30 | 772 |
| 1998 | Mar 9 | 11 | 25.0 | #30 | 772 |
| 1998 | Mar 16 | 12 | 25.0 | #30 | 780 |
| 1998 | Mar 23 | 13 | 25.0 | #30 | 780 |
| 1998 | Mar 30 | 14 | 25.0 | #32 | 783 |
| 1998 | Apr 6 | 15 | 25.0 | #30 | 819 |
| 1998 | Apr 13 | 16 | 25.1 | #30 | 819 |
| 1998 | Apr 20 | 17 | 25.1 | #30 | 817 |
| 1998 | Apr 27 | 18 | 25.1 | #35 | 724 |
| 1998 | May 4 | 19 | 25.1 | #34 | 724 |
| 1998 | May 11 | 20 | 25.1 | #33 | 747 |
| 1998 | May 18 | 21 | 25.2 | #35 | 747 |
| 1998 | May 25 | 22 | 25.2 | #35 | 747 |
| 1998 | Jun 1 | 23 | 25.2 | #35 | 747 |
| 1998 | Jun 8 | 24 | 25.2 | #34 | 779 |
| 1998 | Jun 15 | 25 | 25.2 | #34 | 779 |
| 1998 | Jun 22 | 26 | 25.2 | #33 | 753 |
| 1998 | Jun 29 | 27 | 25.3 | #33 | 753 |
| 1998 | Jul 6 | 28 | 25.3 | #30 | 881 |
| 1998 | Jul 13 | 29 | 25.3 | #31 | 881 |
| 1998 | Jul 20 | 30 | 25.3 | #31 | 881 |
| 1998 | Jul 27 | 31 | 25.3 | #30 | 881 |
| 1998 | Aug 3 | 32 | 25.4 | #28 | 881 |
| 1998 | Aug 10 | 33 | 25.4 | #28 | 881 |
| 1998 | Aug 17 | 34 | 25.4 | #29 | 776 |
| 1998 | Aug 24 | 35 | 25.4 | #36 | 736 |
| 1998 | Aug 31 | 36 | 25.4 | #37 | 736 |
| 1998 | Sep 7 | 37 | 25.5 | #37 | 736 |
| 1998 | Sep 14 | 38 | 25.5 | #38 | 741 |
| 1998 | Sep 21 | 39 | 25.5 | #43 | 598 |
| 1998 | Sep 28 | 40 | 25.5 | #43 | 631 |
| 1998 | Oct 5 | 41 | 25.5 | #43 | 631 |
| 1998 | Oct 12 | 42 | 25.6 | #53 | 524 |
| 1998 | Oct 19 | 43 | 25.6 | #53 | 524 |
| 1998 | Oct 26 | 44 | 25.6 | #56 | 497 |
| 1998 | Nov 2 | 45 | 25.6 | #56 | 497 |
| 1998 | Nov 9 | 46 | 25.6 | #56 | 497 |
| 1998 | Nov 16 | 47 | 25.7 | #56 | 497 |
| 1998 | Nov 23 | 48 | 25.7 | #55 | 497 |
| 1998 | Nov 30 | 49 | 25.7 | #55 | 497 |
| 1998 | Dec 7 | 50 | 25.7 | #55 | 497 |
| 1998 | Dec 14 | 51 | 25.7 | #55 | 497 |
| 1998 | Dec 21 | 52 | 25.7 | #55 | 497 |
| 1998 | Dec 28 | 53 | 25.8 | #55 | 497 |
| 1999 | Jan 4 | 1 | 25.8 | #55 | 497 |
| 1999 | Jan 11 | 2 | 25.8 | #53 | 497 |
| 1999 | Jan 18 | 3 | 25.8 | #57 | 472 |
| 1999 | Jan 25 | 4 | 25.8 | #57 | 472 |
| 1999 | Feb 1 | 5 | 25.9 | #57 | 470 |
| 1999 | Feb 8 | 6 | 25.9 | #62 | 426 |
| 1999 | Feb 15 | 7 | 25.9 | #61 | 426 |
| 1999 | Feb 22 | 8 | 25.9 | #62 | 426 |
| 1999 | Mar 1 | 9 | 25.9 | #64 | 426 |
| 1999 | Mar 8 | 10 | 26.0 | #64 | 426 |
| 1999 | Mar 15 | 11 | 26.0 | #70 | 394 |
| 1999 | Mar 22 | 12 | 26.0 | #70 | 394 |
| 1999 | Mar 29 | 13 | 26.0 | #72 | 368 |
| 1999 | Apr 5 | 14 | 26.0 | #80 | 331 |
| 1999 | Apr 12 | 15 | 26.1 | #83 | 331 |
| 1999 | Apr 19 | 16 | 26.1 | #90 | 292 |
| 1999 | Apr 26 | 17 | 26.1 | #96 | 292 |
| 1999 | May 3 | 18 | 26.1 | #93 | 292 |
| 1999 | May 10 | 19 | 26.1 | #103 | 268 |
| 1999 | May 17 | 20 | 26.1 | #104 | 267 |
| 1999 | May 24 | 21 | 26.2 | #106 | 266 |
| 1999 | May 31 | 22 | 26.2 | #106 | 266 |
| 1999 | Jun 7 | 23 | 26.2 | #125 | 232 |
| 1999 | Jun 14 | 24 | 26.2 | #120 | 232 |
| 1999 | Jun 21 | 25 | 26.2 | #118 | 231 |
| 1999 | Jun 28 | 26 | 26.3 | #118 | 231 |
| 1999 | Jul 5 | 27 | 26.3 | #269 | 71 |
| 1999 | Jul 12 | 28 | 26.3 | #266 | 71 |
| 1999 | Jul 19 | 29 | 26.3 | #268 | 71 |
| 1999 | Jul 26 | 30 | 26.3 | #267 | 71 |
| 1999 | Aug 2 | 31 | 26.4 | #267 | 71 |
| 1999 | Aug 9 | 32 | 26.4 | #267 | 71 |
| 1999 | Aug 16 | 33 | 26.4 | #270 | 70 |
| 1999 | Aug 23 | 34 | 26.4 | #266 | 69 |