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
2006 Jan 1 52 27.8 #191 177
2006 Jan 2 1 27.8 #191 177
2006 Jan 9 2 27.8 #181 145
2006 Jan 16 3 27.8 #178 146
2006 Jan 23 4 27.9 #178 146
2006 Jan 30 5 27.9 #180 147
2006 Feb 6 6 27.9 #185 142
2006 Feb 13 7 27.9 #186 143
2006 Feb 20 8 27.9 #186 144
2006 Feb 27 9 28.0 #186 144
2006 Mar 6 10 28.0 #195 134
2006 Mar 13 11 28.0 #195 134
2006 Mar 20 12 28.0 #194 134
2006 Mar 27 13 28.0 #194 134
2006 Apr 3 14 28.1 #195 134
2006 Apr 10 15 28.1 #196 134
2006 Apr 17 16 28.1 #196 134
2006 Apr 24 17 28.1 #192 140
2006 May 1 18 28.1 #193 140
2006 May 8 19 28.2 #186 147
2006 May 15 20 28.2 #188 144
2006 May 22 21 28.2 #187 144
2006 May 29 22 28.2 #187 146
2006 Jun 5 23 28.2 #187 146
2006 Jun 12 24 28.2 #238 105
2006 Jun 19 25 28.3 #236 107
2006 Jun 26 26 28.3 #236 107
2006 Jul 3 27 28.3 #236 107
2006 Jul 10 28 28.3 #267 84
2006 Jul 17 29 28.3 #257 95
2006 Jul 24 30 28.4 #248 104
2006 Jul 31 31 28.4 #232 114
2006 Aug 7 32 28.4 #228 114
2006 Aug 14 33 28.4 #232 113
2006 Aug 21 34 28.4 #233 113
2006 Aug 28 35 28.5 #232 113
2006 Sep 4 36 28.5 #232 113
2006 Sep 11 37 28.5 #250 100
2006 Sep 18 38 28.5 #249 100
2006 Sep 25 39 28.5 #254 100
2006 Oct 2 40 28.6 #237 108
2006 Oct 9 41 28.6 #232 108
2006 Oct 16 42 28.6 #234 108
2006 Oct 23 43 28.6 #234 108
2006 Oct 30 44 28.6 #223 118
2006 Nov 6 45 28.6 #222 119
2006 Nov 13 46 28.7 #208 129
2006 Nov 20 47 28.7 #210 129
2006 Nov 27 48 28.7 #211 129
2006 Dec 4 49 28.7 #213 129
2006 Dec 11 50 28.7 #213 129
2006 Dec 18 51 28.8 #208 129
2006 Dec 25 52 28.8 #208 129
2007 Jan 1 1 28.8 #208 129
2007 Jan 8 2 28.8 #207 129
2007 Jan 15 3 28.8 #206 129
2007 Jan 22 4 28.9 #206 129
2007 Jan 29 5 28.9 #207 129
2007 Feb 5 6 28.9 #194 141
2007 Feb 12 7 28.9 #195 141
2007 Feb 19 8 28.9 #194 144
2007 Feb 26 9 29.0 #192 144
2007 Mar 5 10 29.0 #197 139
2007 Mar 12 11 29.0 #197 139
2007 Mar 19 12 29.0 #194 139
2007 Mar 26 13 29.0 #194 139
2007 Apr 2 14 29.1 #197 139
2007 Apr 9 15 29.1 #199 139
2007 Apr 16 16 29.1 #196 139
2007 Apr 23 17 29.1 #179 157
2007 Apr 30 18 29.1 #183 157
2007 May 7 19 29.1 #190 154
2007 May 14 20 29.2 #194 151
2007 May 21 21 29.2 #193 153
2007 May 28 22 29.2 #194 151
2007 Jun 4 23 29.2 #194 151
2007 Jun 11 24 29.2 #183 161
2007 Jun 18 25 29.3 #187 160
2007 Jun 25 26 29.3 #185 160
2007 Jul 2 27 29.3 #185 160
2007 Jul 9 28 29.3 #192 160
2007 Jul 16 29 29.3 #201 150
2007 Jul 23 30 29.4 #206 141
2007 Jul 30 31 29.4 #209 130
2007 Aug 6 32 29.4 #211 130
2007 Aug 13 33 29.4 #216 128
2007 Aug 20 34 29.4 #215 127
2007 Aug 27 35 29.5 #216 127
2007 Sep 3 36 29.5 #216 127
2007 Sep 10 37 29.5 #214 128
2007 Sep 17 38 29.5 #218 128
2007 Sep 24 39 29.5 #217 128
2007 Oct 1 40 29.5 #225 124
2007 Oct 8 41 29.6 #230 123
2007 Oct 15 42 29.6 #230 123
2007 Oct 22 43 29.6 #213 134
2007 Oct 29 44 29.6 #210 139
2007 Nov 5 45 29.6 #216 134
2007 Nov 12 46 29.7 #227 124
2007 Nov 19 47 29.7 #221 127
2007 Nov 26 48 29.7 #218 127
2007 Dec 3 49 29.7 #218 127
2007 Dec 10 50 29.7 #220 127
2007 Dec 17 51 29.8 #220 127
2007 Dec 24 52 29.8 #222 127
2007 Dec 31 1 29.8 #222 127
2008 Jan 1 1 29.8 #222 127
2008 Jan 7 2 29.8 #222 127
2008 Jan 14 3 29.8 #220 127
2008 Jan 21 4 29.9 #220 127
2008 Jan 28 5 29.9 #208 140
2008 Feb 4 6 29.9 #221 126
2008 Feb 11 7 29.9 #219 129
2008 Feb 18 8 29.9 #219 125
2008 Feb 25 9 30.0 #221 125
2008 Mar 3 10 30.0 #219 128
2008 Mar 10 11 30.0 #222 128
2008 Mar 17 12 30.0 #222 128
2008 Mar 24 13 30.0 #219 128
2008 Mar 31 14 30.0 #219 128
2008 Apr 7 15 30.1 #222 128
2008 Apr 14 16 30.1 #222 128
2008 Apr 21 17 30.1 #251 104
2008 Apr 28 18 30.1 #253 104
2008 May 5 19 30.1 #260 103
2008 May 12 20 30.2 #259 103
2008 May 19 21 30.2 #260 100
2008 May 26 22 30.2 #258 100
2008 Jun 2 23 30.2 #258 100
2008 Jun 9 24 30.2 #266 98
2008 Jun 16 25 30.3 #264 98
2008 Jun 23 26 30.3 #266 98
2008 Jun 30 27 30.3 #266 98
2008 Jul 7 28 30.3 #262 97
2008 Jul 14 29 30.3 #267 97
2008 Jul 21 30 30.4 #267 97
2008 Jul 28 31 30.4 #266 97
2008 Aug 4 32 30.4 #269 97
2008 Aug 11 33 30.4 #268 97
2008 Aug 18 34 30.4 #273 97
2008 Aug 25 35 30.5 #270 97
2008 Sep 1 36 30.5 #270 97
2008 Sep 8 37 30.5 #272 96
2008 Sep 15 38 30.5 #272 96
2008 Sep 22 39 30.5 #267 99
2008 Sep 29 40 30.5 #276 93
2008 Oct 6 41 30.6 #277 93
2008 Oct 13 42 30.6 #279 93
2008 Oct 20 43 30.6 #298 82
2008 Oct 27 44 30.6 #339 69
2008 Nov 3 45 30.6 #345 65
2008 Nov 10 46 30.7 #349 65
2008 Nov 17 47 30.7 #362 62
2008 Nov 24 48 30.7 #362 62
2008 Dec 1 49 30.7 #359 62
2008 Dec 8 50 30.7 #359 62
2008 Dec 15 51 30.8 #359 62
2008 Dec 22 52 30.8 #359 62
2008 Dec 29 1 30.8 #362 62
2009 Jan 1 1 30.8 #362 62
2009 Jan 5 2 30.8 #363 122
2009 Jan 12 3 30.8 #363 122
2009 Jan 19 4 30.9 #363 122
2009 Jan 26 5 30.9 #363 122
2009 Feb 2 6 30.9 #424 94
2009 Feb 9 7 30.9 #449 88
2009 Feb 16 8 30.9 #450 88
2009 Feb 23 9 30.9 #408 100
2009 Mar 2 10 31.0 #423 94
2009 Mar 9 11 31.0 #420 94
2009 Mar 16 12 31.0 #420 94
2009 Mar 23 13 31.0 #420 94
2009 Mar 30 14 31.0 #420 94
2009 Apr 6 15 31.1 #421 94
2009 Apr 13 16 31.1 #417 94
2009 Apr 20 17 31.1 #409 94
2009 Apr 27 18 31.1 #412 94
2009 May 4 19 31.1 #397 100
2009 May 11 20 31.2 #370 112
2009 May 18 21 31.2 #370 112
2009 May 25 22 31.2 #371 112
2009 Jun 1 23 31.2 #371 112
2009 Jun 8 24 31.2 #396 100
2009 Jun 15 25 31.3 #399 100
2009 Jun 22 26 31.3 #402 100
2009 Jun 29 27 31.3 #402 100
2009 Jul 6 28 31.3 #404 99
2009 Jul 13 29 31.3 #399 99
2009 Jul 20 30 31.4 #394 99
2009 Jul 27 31 31.4 #397 98
2009 Aug 3 32 31.4 #396 98
2009 Aug 10 33 31.4 #399 97
2009 Aug 17 34 31.4 #390 97
2009 Aug 24 35 31.4 #392 96
2009 Aug 31 36 31.5 #397 96
2009 Sep 7 37 31.5 #397 96
2009 Sep 14 38 31.5 #377 103
2009 Sep 21 39 31.5 #374 102
2009 Sep 28 40 31.5 #371 105
2009 Oct 5 41 31.6 #371 104
Seiko Okamoto profile Full match log Player rivalries
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