Ranking history updated: 2026-05-30 21:14 UTC

Seiko Okamoto WTA Ranking History

Seiko Okamoto's WTA ranking history, with year-by-year summaries plus every available weekly rank, age and points snapshot.

Latest Rank
920
Latest date
May 9, 2011
Career high
178
Career-high date
Jan 16, 2006
Career-high points
187
Points-high date
Nov 7, 2005
Best year-end
191
Weeks at #1
0

Coverage: 675 distinct observed ranking weeks, Oct 6, 1997–May 9, 2011. Available-week totals may undercount careers where historical snapshots are missing. Weeks at No. 1 counts available snapshots.

Rank and Points

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Ranking History

Season Date Week Age Rank Points
1997 Oct 6 41 19.6 #892 3
1997 Oct 13 42 19.6 #754 6
1997 Oct 20 43 19.6 #729 7
1997 Oct 27 44 19.6 #733 7
1997 Nov 3 45 19.6 #731 7
1997 Nov 10 46 19.7 #733 7
1997 Nov 17 47 19.7 #728 7
1997 Nov 24 48 19.7 #723 7
1997 Dec 1 49 19.7 #726 7
1997 Dec 8 50 19.7 #725 7
1997 Dec 15 51 19.8 #728 7
1997 Dec 22 52 19.8 #731 7
1997 Dec 29 1 19.8 #731 7
1998 Jan 5 2 19.8 #729 7
1998 Jan 12 3 19.8 #729 7
1998 Jan 19 4 19.9 #732 7
1998 Jan 26 5 19.9 #725 7
1998 Feb 2 6 19.9 #723 7
1998 Feb 9 7 19.9 #722 7
1998 Feb 16 8 19.9 #720 7
1998 Feb 23 9 19.9 #719 7
1998 Mar 2 10 20.0 #720 7
1998 Mar 9 11 20.0 #723 7
1998 Mar 16 12 20.0 #717 7
1998 Mar 23 13 20.0 #717 7
1998 Mar 30 14 20.0 #669 9
1998 Apr 6 15 20.1 #671 9
1998 Apr 13 16 20.1 #676 9
1998 Apr 20 17 20.1 #591 13
1998 Apr 27 18 20.1 #593 13
1998 May 4 19 20.1 #596 13
1998 May 11 20 20.2 #565 15
1998 May 18 21 20.2 #565 15
1998 May 25 22 20.2 #568 15
1998 Jun 1 23 20.2 #568 15
1998 Jun 8 24 20.2 #565 15
1998 Jun 15 25 20.3 #552 16
1998 Jun 22 26 20.3 #554 16
1998 Jun 29 27 20.3 #554 16
1998 Jul 6 28 20.3 #546 16
1998 Jul 13 29 20.3 #550 16
1998 Jul 20 30 20.4 #548 16
1998 Jul 27 31 20.4 #543 17
1998 Aug 3 32 20.4 #536 17
1998 Aug 10 33 20.4 #537 17
1998 Aug 17 34 20.4 #532 17
1998 Aug 24 35 20.4 #536 17
1998 Aug 31 36 20.5 #541 17
1998 Sep 7 37 20.5 #541 17
1998 Sep 14 38 20.5 #534 17
1998 Sep 21 39 20.5 #537 16
1998 Sep 28 40 20.5 #540 16
1998 Oct 5 41 20.6 #529 17
1998 Oct 12 42 20.6 #561 15
1998 Oct 19 43 20.6 #510 18
1998 Oct 26 44 20.6 #511 18
1998 Nov 2 45 20.6 #517 18
1998 Nov 9 46 20.7 #509 18
1998 Nov 16 47 20.7 #510 18
1998 Nov 23 48 20.7 #508 18
1998 Nov 30 49 20.7 #504 18
1998 Dec 7 50 20.7 #494 19
1998 Dec 14 51 20.8 #501 19
1998 Dec 21 52 20.8 #500 19
1998 Dec 28 53 20.8 #500 19
1999 Jan 4 1 20.8 #499 19
1999 Jan 11 2 20.8 #500 19
1999 Jan 18 3 20.8 #499 19
1999 Jan 25 4 20.9 #499 19
1999 Feb 1 5 20.9 #498 19
1999 Feb 8 6 20.9 #483 20
1999 Feb 15 7 20.9 #485 20
1999 Feb 22 8 20.9 #480 20
1999 Mar 1 9 21.0 #482 20
1999 Mar 8 10 21.0 #482 20
1999 Mar 15 11 21.0 #486 20
1999 Mar 22 12 21.0 #486 20
1999 Mar 29 13 21.0 #508 19
1999 Apr 5 14 21.1 #504 19
1999 Apr 12 15 21.1 #504 20
1999 Apr 19 16 21.1 #511 19
1999 Apr 26 17 21.1 #515 19
1999 May 3 18 21.1 #514 19
1999 May 10 19 21.2 #527 18
1999 May 17 20 21.2 #528 17
1999 May 24 21 21.2 #523 18
1999 May 31 22 21.2 #523 18
1999 Jun 7 23 21.2 #499 20
1999 Jun 14 24 21.3 #504 20
1999 Jun 21 25 21.3 #495 20
1999 Jun 28 26 21.3 #495 20
1999 Jul 5 27 21.3 #495 20
1999 Jul 12 28 21.3 #498 20
1999 Jul 19 29 21.3 #492 20
1999 Jul 26 30 21.4 #493 20
1999 Aug 2 31 21.4 #496 20
1999 Aug 9 32 21.4 #496 20
1999 Aug 16 33 21.4 #497 20
1999 Aug 23 34 21.4 #497 20
1999 Aug 30 35 21.5 #496 20
1999 Sep 6 36 21.5 #496 20
1999 Sep 13 37 21.5 #483 20
1999 Sep 20 38 21.5 #475 21
1999 Sep 27 39 21.5 #468 22
1999 Oct 4 40 21.6 #476 21
1999 Oct 11 41 21.6 #456 24
1999 Oct 18 42 21.6 #479 22
1999 Oct 25 43 21.6 #476 22
1999 Nov 1 44 21.6 #475 22
1999 Nov 8 45 21.7 #475 22
1999 Nov 15 46 21.7 #476 22
1999 Nov 22 47 21.7 #473 22
1999 Nov 29 48 21.7 #468 22
1999 Dec 6 49 21.7 #469 22
1999 Dec 13 50 21.7 #466 22
1999 Dec 20 51 21.8 #467 22
1999 Dec 27 52 21.8 #468 22
2000 Jan 1 52 21.8 #468 22
2000 Jan 3 1 21.8 #469 22
2000 Jan 10 2 21.8 #471 22
2000 Jan 17 3 21.8 #470 22
2000 Jan 24 4 21.9 #470 22
2000 Jan 31 5 21.9 #469 22
2000 Feb 7 6 21.9 #478 21
2000 Feb 14 7 21.9 #479 21
2000 Feb 21 8 21.9 #478 21
2000 Feb 28 9 22.0 #482 21
2000 Mar 6 10 22.0 #481 21
2000 Mar 13 11 22.0 #481 21
2000 Mar 20 12 22.0 #483 21
2000 Mar 27 13 22.0 #483 21
2000 Apr 3 14 22.1 #481 21
2000 Apr 10 15 22.1 #481 21
2000 Apr 17 16 22.1 #519 18
2000 Apr 24 17 22.1 #511 18
2000 May 1 18 22.1 #507 19
2000 May 8 19 22.2 #523 18
2000 May 15 20 22.2 #506 19
2000 May 22 21 22.2 #513 18
2000 May 29 22 22.2 #519 18
2000 Jun 5 23 22.2 #519 18
2000 Jun 12 24 22.2 #538 16
2000 Jun 19 25 22.3 #543 16
2000 Jun 26 26 22.3 #551 16
2000 Jul 3 27 22.3 #551 16
2000 Jul 10 28 22.3 #530 17
2000 Jul 17 29 22.3 #528 17
2000 Jul 24 30 22.4 #531 17
2000 Jul 31 31 22.4 #534 17
2000 Aug 7 32 22.4 #537 17
2000 Aug 14 33 22.4 #539 17
2000 Aug 21 34 22.4 #549 17
2000 Aug 28 35 22.5 #552 17
2000 Sep 4 36 22.5 #552 17
2000 Sep 11 37 22.5 #538 18
2000 Sep 18 38 22.5 #553 17
2000 Sep 25 39 22.5 #580 15
2000 Oct 2 40 22.6 #589 15
2000 Oct 9 41 22.6 #700 10
2000 Oct 16 42 22.6 #700 10
2000 Oct 23 43 22.6 #709 10
2000 Oct 30 44 22.6 #712 10
2000 Nov 6 45 22.7 #714 10
2000 Dec 4 49 22.7 #593 16
2000 Dec 11 50 22.7 #593 16
2000 Dec 18 51 22.8 #594 16
2000 Dec 25 52 22.8 #594 16
2001 Jan 1 1 22.8 #594 16
2001 Jan 8 2 22.8 #593 16
2001 Jan 15 3 22.8 #591 16
2001 Jan 22 4 22.9 #591 16
2001 Jan 29 5 22.9 #592 16
2001 Feb 5 6 22.9 #596 16
2001 Feb 12 7 22.9 #594 16
2001 Feb 19 8 22.9 #590 16
2001 Feb 26 9 23.0 #586 16
2001 Mar 5 10 23.0 #581 16
2001 Mar 12 11 23.0 #581 16
2001 Mar 19 12 23.0 #583 16
2001 Mar 26 13 23.0 #583 16
2001 Nov 12 46 23.7 #531 22
2001 Nov 19 47 23.7 #529 22
2001 Nov 26 48 23.7 #509 23
2001 Dec 3 49 23.7 #548 19
2001 Dec 10 50 23.7 #545 19
2001 Dec 17 51 23.8 #541 20
2001 Dec 24 52 23.8 #541 20
2001 Dec 31 1 23.8 #541 20
2002 Jan 1 1 23.8 #541 20
2002 Jan 7 2 23.8 #541 20
2002 Jan 14 3 23.8 #541 20
2002 Jan 21 4 23.9 #541 20
2002 Jan 28 5 23.9 #541 20
2002 Feb 4 6 23.9 #540 20
2002 Feb 11 7 23.9 #545 20
2002 Feb 18 8 23.9 #541 21
2002 Feb 25 9 24.0 #516 23
2002 Mar 4 10 24.0 #518 23
2002 Mar 11 11 24.0 #518 23
2002 Mar 18 12 24.0 #512 24
Seiko Okamoto profile Full match log Player rivalries
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