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
2009 Oct 12 42 31.6 #361 111
2009 Oct 19 43 31.6 #360 111
2009 Oct 26 44 31.6 #363 104
2009 Nov 2 45 31.6 #396 88
2009 Nov 9 46 31.7 #399 88
2009 Nov 16 47 31.7 #401 88
2009 Nov 23 48 31.7 #401 88
2009 Nov 30 49 31.7 #402 87
2009 Dec 7 50 31.7 #403 87
2009 Dec 14 51 31.8 #404 87
2009 Dec 21 52 31.8 #407 87
2009 Dec 28 53 31.8 #405 87
2010 Jan 1 53 31.8 #405 87
2010 Jan 4 1 31.8 #405 87
2010 Jan 11 2 31.8 #407 87
2010 Jan 18 3 31.8 #406 87
2010 Jan 25 4 31.9 #406 87
2010 Feb 1 5 31.9 #403 87
2010 Feb 8 6 31.9 #401 87
2010 Feb 15 7 31.9 #400 87
2010 Feb 22 8 31.9 #442 74
2010 Mar 1 9 32.0 #443 74
2010 Mar 8 10 32.0 #442 74
2010 Mar 15 11 32.0 #442 74
2010 Mar 22 12 32.0 #442 73
2010 Mar 29 13 32.0 #442 73
2010 Apr 5 14 32.1 #445 72
2010 Apr 12 15 32.1 #444 72
2010 Apr 19 16 32.1 #446 72
2010 Apr 26 17 32.1 #451 72
2010 May 3 18 32.1 #506 58
2010 May 10 19 32.2 #573 43
2010 May 17 20 32.2 #558 46
2010 May 24 21 32.2 #558 46
2010 May 31 22 32.2 #558 46
2010 Jun 7 23 32.2 #564 46
2010 Jun 14 24 32.3 #560 46
2010 Jun 21 25 32.3 #562 46
2010 Jun 28 26 32.3 #562 46
2010 Jul 5 27 32.3 #561 46
2010 Jul 12 28 32.3 #567 45
2010 Jul 19 29 32.3 #573 44
2010 Jul 26 30 32.4 #571 44
2010 Aug 2 31 32.4 #575 44
2010 Aug 9 32 32.4 #582 43
2010 Aug 16 33 32.4 #586 43
2010 Aug 23 34 32.4 #584 43
2010 Aug 30 35 32.5 #586 43
2010 Sep 6 36 32.5 #586 43
2010 Sep 13 37 32.5 #633 34
2010 Sep 20 38 32.5 #702 26
2010 Sep 27 39 32.5 #739 22
2010 Oct 4 40 32.6 #751 22
2010 Oct 11 41 32.6 #859 14
2010 Oct 18 42 32.6 #883 13
2010 Oct 25 43 32.6 #882 13
2010 Nov 1 44 32.6 #883 13
2010 Nov 8 45 32.7 #892 13
2010 Nov 15 46 32.7 #895 13
2010 Nov 22 47 32.7 #895 13
2010 Nov 29 48 32.7 #896 13
2010 Dec 6 49 32.7 #894 13
2010 Dec 13 50 32.8 #893 13
2010 Dec 20 51 32.8 #895 13
2010 Dec 27 52 32.8 #894 13
2011 Jan 1 52 32.8 #894 13
2011 Jan 3 1 32.8 #907 13
2011 Jan 10 2 32.8 #907 13
2011 Jan 17 3 32.8 #907 13
2011 Jan 24 4 32.9 #907 13
2011 Jan 31 5 32.9 #905 13
2011 Feb 7 6 32.9 #909 13
2011 Feb 14 7 32.9 #907 13
2011 Feb 21 8 32.9 #904 13
2011 Feb 28 9 33.0 #904 13
2011 Mar 7 10 33.0 #904 13
2011 Mar 14 11 33.0 #904 13
2011 Mar 21 12 33.0 #903 13
2011 Mar 28 13 33.0 #903 13
2011 Apr 4 14 33.1 #903 13
2011 Apr 11 15 33.1 #906 13
2011 Apr 18 16 33.1 #914 13
2011 Apr 25 17 33.1 #916 13
2011 May 2 18 33.1 #916 13
2011 May 9 19 33.2 #920 13
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