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
2011 May 9 19 33.2 #920 13
2011 May 2 18 33.1 #916 13
2011 Apr 25 17 33.1 #916 13
2011 Apr 18 16 33.1 #914 13
2011 Apr 11 15 33.1 #906 13
2011 Apr 4 14 33.1 #903 13
2011 Mar 28 13 33.0 #903 13
2011 Mar 21 12 33.0 #903 13
2011 Mar 14 11 33.0 #904 13
2011 Mar 7 10 33.0 #904 13
2011 Feb 28 9 33.0 #904 13
2011 Feb 21 8 32.9 #904 13
2011 Feb 14 7 32.9 #907 13
2011 Feb 7 6 32.9 #909 13
2011 Jan 31 5 32.9 #905 13
2011 Jan 24 4 32.9 #907 13
2011 Jan 17 3 32.8 #907 13
2011 Jan 10 2 32.8 #907 13
2011 Jan 3 1 32.8 #907 13
2011 Jan 1 52 32.8 #894 13
2010 Dec 27 52 32.8 #894 13
2010 Dec 20 51 32.8 #895 13
2010 Dec 13 50 32.8 #893 13
2010 Dec 6 49 32.7 #894 13
2010 Nov 29 48 32.7 #896 13
2010 Nov 22 47 32.7 #895 13
2010 Nov 15 46 32.7 #895 13
2010 Nov 8 45 32.7 #892 13
2010 Nov 1 44 32.6 #883 13
2010 Oct 25 43 32.6 #882 13
2010 Oct 18 42 32.6 #883 13
2010 Oct 11 41 32.6 #859 14
2010 Oct 4 40 32.6 #751 22
2010 Sep 27 39 32.5 #739 22
2010 Sep 20 38 32.5 #702 26
2010 Sep 13 37 32.5 #633 34
2010 Sep 6 36 32.5 #586 43
2010 Aug 30 35 32.5 #586 43
2010 Aug 23 34 32.4 #584 43
2010 Aug 16 33 32.4 #586 43
2010 Aug 9 32 32.4 #582 43
2010 Aug 2 31 32.4 #575 44
2010 Jul 26 30 32.4 #571 44
2010 Jul 19 29 32.3 #573 44
2010 Jul 12 28 32.3 #567 45
2010 Jul 5 27 32.3 #561 46
2010 Jun 28 26 32.3 #562 46
2010 Jun 21 25 32.3 #562 46
2010 Jun 14 24 32.3 #560 46
2010 Jun 7 23 32.2 #564 46
2010 May 31 22 32.2 #558 46
2010 May 24 21 32.2 #558 46
2010 May 17 20 32.2 #558 46
2010 May 10 19 32.2 #573 43
2010 May 3 18 32.1 #506 58
2010 Apr 26 17 32.1 #451 72
2010 Apr 19 16 32.1 #446 72
2010 Apr 12 15 32.1 #444 72
2010 Apr 5 14 32.1 #445 72
2010 Mar 29 13 32.0 #442 73
2010 Mar 22 12 32.0 #442 73
2010 Mar 15 11 32.0 #442 74
2010 Mar 8 10 32.0 #442 74
2010 Mar 1 9 32.0 #443 74
2010 Feb 22 8 31.9 #442 74
2010 Feb 15 7 31.9 #400 87
2010 Feb 8 6 31.9 #401 87
2010 Feb 1 5 31.9 #403 87
2010 Jan 25 4 31.9 #406 87
2010 Jan 18 3 31.8 #406 87
2010 Jan 11 2 31.8 #407 87
2010 Jan 4 1 31.8 #405 87
2010 Jan 1 53 31.8 #405 87
2009 Dec 28 53 31.8 #405 87
2009 Dec 21 52 31.8 #407 87
2009 Dec 14 51 31.8 #404 87
2009 Dec 7 50 31.7 #403 87
2009 Nov 30 49 31.7 #402 87
2009 Nov 23 48 31.7 #401 88
2009 Nov 16 47 31.7 #401 88
2009 Nov 9 46 31.7 #399 88
2009 Nov 2 45 31.6 #396 88
2009 Oct 26 44 31.6 #363 104
2009 Oct 19 43 31.6 #360 111
2009 Oct 12 42 31.6 #361 111
2009 Oct 5 41 31.6 #371 104
2009 Sep 28 40 31.5 #371 105
2009 Sep 21 39 31.5 #374 102
2009 Sep 14 38 31.5 #377 103
2009 Sep 7 37 31.5 #397 96
2009 Aug 31 36 31.5 #397 96
2009 Aug 24 35 31.4 #392 96
2009 Aug 17 34 31.4 #390 97
2009 Aug 10 33 31.4 #399 97
2009 Aug 3 32 31.4 #396 98
2009 Jul 27 31 31.4 #397 98
2009 Jul 20 30 31.4 #394 99
2009 Jul 13 29 31.3 #399 99
2009 Jul 6 28 31.3 #404 99
2009 Jun 29 27 31.3 #402 100
2009 Jun 22 26 31.3 #402 100
2009 Jun 15 25 31.3 #399 100
2009 Jun 8 24 31.2 #396 100
2009 Jun 1 23 31.2 #371 112
2009 May 25 22 31.2 #371 112
2009 May 18 21 31.2 #370 112
2009 May 11 20 31.2 #370 112
2009 May 4 19 31.1 #397 100
2009 Apr 27 18 31.1 #412 94
2009 Apr 20 17 31.1 #409 94
2009 Apr 13 16 31.1 #417 94
2009 Apr 6 15 31.1 #421 94
2009 Mar 30 14 31.0 #420 94
2009 Mar 23 13 31.0 #420 94
2009 Mar 16 12 31.0 #420 94
2009 Mar 9 11 31.0 #420 94
2009 Mar 2 10 31.0 #423 94
2009 Feb 23 9 30.9 #408 100
2009 Feb 16 8 30.9 #450 88
2009 Feb 9 7 30.9 #449 88
2009 Feb 2 6 30.9 #424 94
2009 Jan 26 5 30.9 #363 122
2009 Jan 19 4 30.9 #363 122
2009 Jan 12 3 30.8 #363 122
2009 Jan 5 2 30.8 #363 122
2009 Jan 1 1 30.8 #362 62
2008 Dec 29 1 30.8 #362 62
2008 Dec 22 52 30.8 #359 62
2008 Dec 15 51 30.8 #359 62
2008 Dec 8 50 30.7 #359 62
2008 Dec 1 49 30.7 #359 62
2008 Nov 24 48 30.7 #362 62
2008 Nov 17 47 30.7 #362 62
2008 Nov 10 46 30.7 #349 65
2008 Nov 3 45 30.6 #345 65
2008 Oct 27 44 30.6 #339 69
2008 Oct 20 43 30.6 #298 82
2008 Oct 13 42 30.6 #279 93
2008 Oct 6 41 30.6 #277 93
2008 Sep 29 40 30.5 #276 93
2008 Sep 22 39 30.5 #267 99
2008 Sep 15 38 30.5 #272 96
2008 Sep 8 37 30.5 #272 96
2008 Sep 1 36 30.5 #270 97
2008 Aug 25 35 30.5 #270 97
2008 Aug 18 34 30.4 #273 97
2008 Aug 11 33 30.4 #268 97
2008 Aug 4 32 30.4 #269 97
2008 Jul 28 31 30.4 #266 97
2008 Jul 21 30 30.4 #267 97
2008 Jul 14 29 30.3 #267 97
2008 Jul 7 28 30.3 #262 97
2008 Jun 30 27 30.3 #266 98
2008 Jun 23 26 30.3 #266 98
2008 Jun 16 25 30.3 #264 98
2008 Jun 9 24 30.2 #266 98
2008 Jun 2 23 30.2 #258 100
2008 May 26 22 30.2 #258 100
2008 May 19 21 30.2 #260 100
2008 May 12 20 30.2 #259 103
2008 May 5 19 30.1 #260 103
2008 Apr 28 18 30.1 #253 104
2008 Apr 21 17 30.1 #251 104
2008 Apr 14 16 30.1 #222 128
2008 Apr 7 15 30.1 #222 128
2008 Mar 31 14 30.0 #219 128
2008 Mar 24 13 30.0 #219 128
2008 Mar 17 12 30.0 #222 128
2008 Mar 10 11 30.0 #222 128
2008 Mar 3 10 30.0 #219 128
2008 Feb 25 9 30.0 #221 125
2008 Feb 18 8 29.9 #219 125
2008 Feb 11 7 29.9 #219 129
2008 Feb 4 6 29.9 #221 126
2008 Jan 28 5 29.9 #208 140
2008 Jan 21 4 29.9 #220 127
2008 Jan 14 3 29.8 #220 127
2008 Jan 7 2 29.8 #222 127
2008 Jan 1 1 29.8 #222 127
2007 Dec 31 1 29.8 #222 127
2007 Dec 24 52 29.8 #222 127
2007 Dec 17 51 29.8 #220 127
2007 Dec 10 50 29.7 #220 127
2007 Dec 3 49 29.7 #218 127
2007 Nov 26 48 29.7 #218 127
2007 Nov 19 47 29.7 #221 127
2007 Nov 12 46 29.7 #227 124
2007 Nov 5 45 29.6 #216 134
2007 Oct 29 44 29.6 #210 139
2007 Oct 22 43 29.6 #213 134
2007 Oct 15 42 29.6 #230 123
2007 Oct 8 41 29.6 #230 123
2007 Oct 1 40 29.5 #225 124
2007 Sep 24 39 29.5 #217 128
2007 Sep 17 38 29.5 #218 128
2007 Sep 10 37 29.5 #214 128
2007 Sep 3 36 29.5 #216 127
2007 Aug 27 35 29.5 #216 127
2007 Aug 20 34 29.4 #215 127
2007 Aug 13 33 29.4 #216 128
Seiko Okamoto profile Full match log Player rivalries
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