2003 - Played first event of career at ITF/Hiroshima-JPN.
2004 - Continued to play on ITF Circuit.
2005 - Played first WTA qualifying at Tokyo [Japan Open].
2006 - Continued to play on ITF Circuit.
2007 - Won two singles titles and one doubles title on ITF Circuit.
2008 - Won two doubles titles on ITF Circuit.
2009 - Won one singles title and one doubles title on ITF Circuit.
2010 - Won three singles titles and six doubles titles on ITF Circuit.
2011 - Played first two WTA main draws, falling 1r at Tokyo [Pan Pacific] and reaching 2r at Osaka (both as qualifier); fell in qualifying six times (incl. all four majors); won one singles title and two doubles titles on ITF Circuit.