2003 - Played first events of career on ITF Circuit in Japan.
2004 - Won one singles title on ITF Circuit.
2005 - Played first WTA qualifying at Tokyo [Pan Pacific], Beijing, Seoul and Tokyo [Japan Open].
2006 - Fell in WTA qualifying once.
2007 - Played first WTA main draw at Bangalore, reaching QF (as qualifier); fell in qualifying seven times (incl. Roland Garros, US Open); won one doubles title on ITF Circuit.
2008 - Fell in WTA qualifying five times (incl. Australian Open); won two doubles titles on ITF Circuit.
2009 - Fell 1r three times (incl. US Open) and in qualifying twice; won one singles title and one doubles title on ITF Circuit.
2010 - Fell 1r once and in qualifying seven times (incl. Australian Open, US Open); won two doubles titles on ITF Circuit.
2011 - Fell 1r once and in qualifying four times (incl. US Open); won one singles title and one doubles title on ITF Circuit.











