2003 - Played first events of career on ITF Circuit in USA; played first Tour main draw at Los Angeles, reaching 3r (as 14-year-old WC, l. to Sugiyama).
2004 - Fell 1r twice; also played on ITF Circuit.
2005 - Reached 4r at Indian Wells (as WC, l. to world No.1 Davenport) and 3r at Charleston (as qualifier, l. to world No.1 Davenport); fell 1r four times (incl.
US Open) and in Tour qualifying four times (incl.
Wimbledon); won two singles titles on ITF Circuit; made Top 100 debut on November 21 (rose from No.110 to No.95).
2006 - Reached 3r once and 2r four times (incl.
Roland Garros,
Wimbledon,
US Open); fell 1r five times (incl.
Australian Open) and in Tour qualifying once; won one singles title on ITF Circuit.
2007 - Reached 2r once; fell 1r three times (incl.
Wimbledon) and in Tour qualifying 10 times (incl. other three majors); also played on ITF Circuit.
2008 - Fell 1r three times (incl.
Wimbledon) and in Tour qualifying once (
Roland Garros); won one singles title on ITF Circuit.
2009 - First Top 100 season; SF once, at Strasbourg (as qualifier, d. No.5 seed Tanasugarn en route; l. to eventual champion Rezai); had never been to a Tour QF previously; reached 3r once, at Charleston (d. No.11 seed A.Bondarenko en route; l. to Vesnina); reached 2r twice, incl.
Roland Garros (l. to Martínez Sánchez in 3s); fell 1r eight times, incl.
Australian Open (as qualifier, l. to Dechy),
Wimbledon (as qualifier, l. to No.24 seed Sharapova) and
US Open (l. to WC and eventual champion Clijsters); fell in Tour qualifying nine times.
