Player data updated: 2026-10-17 16:37 UTC

Seiko Okamoto

JPN Age 48 Plays: Right-Handed WTA Tour years active: 2002–2004

Seiko Okamoto represented Japan on the WTA Tour and reached a career high of No. 178. TennisDB's records show a singles record of 0–4 and no singles titles.

Peak singles rank
178 (Jan 16, 2006)
Elo peak
1500 (5th percentile)
Singles record
0–4 (0.0%)
Singles titles
0
Prize money
$207,531

Records cover recorded main-draw singles results in TennisDB's WTA event archive, including credited walkovers; qualifying is shown separately below.

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WTA Matches full match log →

Seiko Okamoto's recent, live, and scheduled WTA matches
OpponentScoreResultH2HMatch DataDateRoundTournamentCategorySurface
Shinobu Asagoe #42 0-6 2-6 L H2H Match data Sep 30, 2004* R32 Korea Open Tier IV → modern equivalent WTA 250 Hard
Anna-Lena Groenefeld #87 0-6 1-6 L H2H Match data Aug 12, 2004* R32 Vancouver Tier V → modern equivalent WTA 250 Hard
Adriana Serra Zanetti #100 3-6 0-6 L H2H Match data Oct 9, 2003* R32 Tashkent Tier IV → modern equivalent WTA 250 Hard
Marta Marrero #85 3-6 3-6 L H2H Match data Oct 3, 2002* R32 Japan Women's Open Tier III → modern equivalent WTA 250 Hard

Rivals all rivalries →

Seiko Okamoto's most-played WTA rivals
OpponentWLMLast PlayedH2H
Shinobu Asagoe 0 1 1 Sep 30, 2004 H2H
Anna-Lena Groenefeld 0 1 1 Aug 12, 2004 H2H
Adriana Serra Zanetti 0 1 1 Oct 9, 2003 H2H
Marta Marrero 0 1 1 Oct 3, 2002 H2H

Career Results

Seiko Okamoto career results by season
SeasonAgeWLMWin %Start RankEnd Rank
2002240110.0%541316
2003250110.0%316295
2004260220.0%295265
Career0440.0%——

Career Results by Surface

Seiko Okamoto career results by season and surface
SeasonAge HardClayGrassTotal
WLMWin %WLMWin %WLMWin % WLMWin %
200224 0110.0%———————— 0110.0%
200325 0110.0%———————— 0110.0%
200426 0220.0%———————— 0220.0%
Career—0440.0%————————0440.0%

Career Results by Opponent Rank

Seiko Okamoto career results by season and opponent rank
SeasonAge 1-1011-3031-100100+Total
WLMWin %WLMWin %WLMWin %WLMWin % WLMWin %
200224 00——00——0110.0%00—— 0110.0%
200325 00——00——0110.0%00—— 0110.0%
200426 00——00——0220.0%00—— 0220.0%
Career 00——00——0440.0%00—— 0440.0%

Advanced Stats

Seiko Okamoto advanced statistics by season
Season Age Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
2002 24 1486 97.9 — — — — — — — 0.0% -3.00 — — — +0.03
2003 25 1470 93.5 — — — — — — — 0.0% -4.50 — — — +0.15
2004 26 1449 88.2 — — — — — — — 0.0% -5.25 — — — -0.06
Career 1500 90.2 — — — — — — — 0.0% -4.50 — — — +3.00

Tournament Results by Category

WTA 250

Seiko Okamoto WTA 250 results by season
SeasonAge KORJAPTASVAN W-L
Win %
200224 —R32—— 0–1 (0%)
200325 ——R32— 0–1 (0%)
200426 R32——R32 0–2 (0%)
W-L 0–1
(0%)		0–1
(0%)		0–1
(0%)		0–1
(0%)		 0–4
(0%)

Results show the best round reached per tournament and season.

WTA Ranking History full ranking history →

Career high
178
Career-high date
Jan 16, 2006
First Top 100
—
First Top 50
—
First Top 20
—
First Top 10
—

Ranking History Matrix

Seiko Okamoto ranking history by month and season
SeasonAgeJanFebMarAprMayJunJulAugSepOctNovDec
199719—————————733723731
199820725719669593568554543541540511504500
199921499480508515523495493496468476468468
200022469482483511519551534552580712714594
200123592586583———————509541
200224541516512488465402408392362317312316
200325311304307294304325295295297276286295
200426275278281277283252253238251279265265
200527274272242248238211194196190192193191
200628180186194192187236232232254223211208
200729207192194183194185209216217210218222
200830208221219253258266266270276339362362
200931363408420412371402397397371363402405
201032406442442451558562571586739882896894
201133905904903916920———————

Similar Players

Other WTA players with comparable peak level, era, career record, and career scale.

Seiko Okamoto's most statistically similar WTA players
Player Country Peak ranking Peak Elo M W L Win % Prize money Titles GS W1000 Years Rivalries Match log
Kelly Liggan IRL #181 1,500 10 1 9 10.0% $238,274 0 0 0 2001–2007 Rivalries Match log
Suchanun Viratprasert THA #172 1,500 8 1 7 12.5% $144,002 0 0 0 2002–2010 Rivalries Match log
Lana Popadic CRO #182 1,533 3 2 1 66.7% $50,689 0 0 0 2004–2004 Rivalries Match log
Natalie Grandin RSA #144 1,500 15 1 14 6.7% $939,023 0 0 0 2001–2011 Rivalries Match log
Trudi Musgrave AUS #207 1,501 7 1 6 14.3% $384,221 0 0 0 1996–2006 Rivalries Match log
Christina Wheeler AUS #147 1,523 15 2 13 13.3% $357,140 0 0 0 2001–2008 Rivalries Match log
Adriana Barna GER #180 1,500 6 1 5 16.7% $239,001 0 0 0 1993–2003 Rivalries Match log
Jane Odonoghue GBR #189 1,522 9 3 6 33.3% $177,156 0 0 0 2002–2005 Rivalries Match log
Alice Canepa ITA #158 1,516 10 2 8 20.0% $217,781 0 0 0 1995–2006 Rivalries Match log
Galina Fokina RUS #168 1,520 8 2 6 25.0% $198,138 0 0 0 2000–2004 Rivalries Match log
Olga Kalyuzhnaya RUS #202 1,515 5 2 3 40.0% $48,206 0 0 0 2002–2003 Rivalries Match log
Kyra Nagy HUN #122 1,500 15 1 14 6.7% $388,804 0 0 0 2000–2008 Rivalries Match log

Frequently Asked Questions

How old is Seiko Okamoto?
Seiko Okamoto is 48 years old, born on March 14, 1978.
Which country does Seiko Okamoto represent?
Seiko Okamoto represents Japan in TennisDB's WTA records.
Is Seiko Okamoto left-handed or right-handed?
Seiko Okamoto plays right-handed.
How many Grand Slam singles titles has Seiko Okamoto won?
Seiko Okamoto has not won a Grand Slam singles title.
How many WTA 1000 titles has Seiko Okamoto won?
TennisDB does not group any of Seiko Okamoto's titles under the modern WTA 1000 category.
What is Seiko Okamoto's highest WTA ranking?
Seiko Okamoto's career-high WTA singles ranking is world No. 178, first achieved on January 16, 2006.
What is Seiko Okamoto's career win-loss record?
Seiko Okamoto has a career WTA singles record of 0 wins and 4 losses (0.0%).
How much career prize money has Seiko Okamoto earned?
Seiko Okamoto has earned at least $207,531 in career prize money from professional tennis.
Which seasons of Seiko Okamoto's career appear in TennisDB?
Seiko Okamoto appears in TennisDB's WTA main-tour match records from 2002 through 2004.
Who has Seiko Okamoto faced most often?
Seiko Okamoto's most frequent opponent is Shinobu Asagoe, with a head-to-head record of 0–1 across 1 meeting.