2006 - Played first events of career on ITF Circuit in Japan.
2007 - Continued to play on ITF Circuit in Japan.
2008 - Won one doubles title on ITF Circuit.
2009 - Played first WTA qualifying at Osaka; won two singles titles on ITF Circuit.
2010 - Played first three WTA main draws, falling 1r at all three (incl.
Roland Garros); fell in qualifying eight times (incl. other three majors); won one singles title and one doubles title on ITF Circuit.
2011 - Reached 3r once (
Wimbledon) and 2r four times; fell 1r six times (incl.
US Open - ret. vs. Pous-Tio w/cramping) and in qualifying nine times (incl. other two majors).