| Background | | Country: | Japan | | Birth Date: | 19 September 1981 | | Birthplace: | Tokyo, Japan | | Residence: | Kanagawa, Japan | | Height: | 1.55 meters (5 ft. 1 in.) | | Weight: | 52.3 kilos (115 lbs.) | | Plays: | Right | | Year Turned Pro: | 1999 | | Current 52 week rank for singles: | 198 | | Current doubles rank: | 131 | | High rank for singles: | 84 | | High rank date for singles: | 22 August 2005 | | High rank for doubles: | 13 | | High rank date for doubles: | 11 November 2002 | | Career matches won: | 16 | | Career matches lost: | 31 | | Year to date matches lost: | 1 | | Career prize money: | $548,461 USD | | Year to date prize money for singles: | $19,019 USD | | Year to date prize money for doubles: | $6,442 USD |
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| | | | Grand Slam Singles Results: | | | | | | | | | | | Year | Australian Open | Roland Garros | Wimbledon | US Open | | | 2005 | - | 1ST | 1ST | 1ST | | | 2006 | 1ST | - | - | - | |
| | | | Grand Slam Doubles Results: | | | | | | | | | | | Year | Australian Open | Roland Garros | Wimbledon | US Open | | | 2002 | QF | SF | 3RD | - | | | 2003 | 1ST | 1ST | 1ST | 1ST | | | 2004 | - | 3RD | 2ND | 1ST | | | 2005 | 3RD | 1ST | 1ST | 3RD | | | 2006 | 1ST | - | - | - | | | 2007 | - | - | - | 2ND | |
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