| Background | | Country: | Japan | | Birth Date: | 28 December 1983 | | Birthplace: | Osaka, Japan | | Residence: | Osaka, Japan | | Height: | 1.63 meters (5 ft. 4 in.) | | Weight: | 55.9 kilos (123 lbs.) | | Plays: | Right | | Year Turned Pro: | 2003 | | Current 52 week rank for singles: | 82 | | Current doubles rank: | 83 | | High rank for singles: | 47 | | High rank date for singles: | 6 August 2007 | | High rank for doubles: | 64 | | High rank date for doubles: | 3 March 2008 | | Career matches won: | 53 | | Career matches lost: | 67 | | Year to date matches won: | 6 | | Year to date matches lost: | 12 | | Career prize money: | $688,626 USD | | Year to date prize money for singles: | $87,822 USD | | Year to date prize money for doubles: | $16,469 USD |
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| | | | Grand Slam Singles Results: | | | | | | | | | | | Year | Australian Open | Roland Garros | Wimbledon | US Open | | | 2005 | 2ND | 1ST | 2ND | 2ND | | | 2006 | 3RD | 1ST | 1ST | 2ND | | | 2007 | 3RD | 1ST | 2ND | 1ST | | | 2008 | 1ST | 1ST | - | - | |
| | | | Grand Slam Doubles Results: | | | | | | | | | | | Year | Australian Open | Roland Garros | Wimbledon | US Open | | | 2005 | - | - | 2ND | - | | | 2006 | 1ST | 1ST | 1ST | 1ST | | | 2007 | 1ST | 2ND | 2ND | 2ND | | | 2008 | 2ND | 1ST | - | - | |
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