2003 - Made first appearance in Berlin qualifying (as WC); also played on ITF Circuit.
2004 - Fell in WTA qualifying once; won one singles title on ITF Circuit.
2005 - Fell in WTA qualifying five times.
2006 - Played first WTA main draw at Hasselt, reaching 2r (l. to Ivanovic); fell in qualifying once; won three singles titles on ITF Circuit.
2007 - First Top 100 season; QF at 's-Hertogenbosch; reached 3r once and 2r twice; fell 1r six times (incl.
Roland Garros,
Wimbledon,
US Open) and in qualifying eight times (incl.
Australian Open); won four singles titles and two doubles titles on ITF Circuit; made Top 100 debut on May 14 (rose from No.115 to No.88).
2008 - Reached 3r once and 2r five times (incl.
Australian Open); fell 1r eight times (incl.
Roland Garros,
Wimbledon) and in qualifying four times (incl.
US Open); won two singles titles and one doubles title on ITF Circuit.
2009 - Reached 2r three times (incl.
US Open); fell 1r three times (incl.
Australian Open) and in qualifying seven times (incl. other two majors); won one singles title on ITF Circuit.
2010 - First Top 50 season; reached first WTA final at Bogotá (l. to Duque Marino); SF at Luxembourg (l. to Goerges); QF twice, at Fès and Copenhagen; reached 3r five times (incl.
Australian Open,
Wimbledon) and 2r twice (incl.
Roland Garros); fell 1r eight times (incl.
US Open) and in qualifying once; made Top 50 debut on July 5 (rose from No.54 to No.47).
2011 - Breakthrough season highlighted by first Grand Slam SF and cracking Top 30; reached first Grand Slam SF at
US Open (l. to Stosur; had never been beyond 3r of a Grand Slam previously) and shot past previous career-high of No.45 afterwards on September 12 (rose from No.92 to No.34); set new career-high No.29 on October 17 and finished year No.32; best results rest of year were two SFs, at Dallas (l. to Rezai) and Osaka (l. to Bartoli) and one QF at Hobart; reached 2r four times; fell 1r 12 times (incl. other three majors) and in qualifying once; withdrew from Bad Gastein w/ankle injury and from Guangzhou w/low back injury.