2003 - Played first Tour main draw at 's-Hertogenbosch, falling 1r (as unranked WC).
2004 - Fell 1r twice; won four singles titles and one doubles title on ITF Circuit.
2005 - First Top 100 season; won first Tour singles title at Tashkent (d. Amanmuradova in final; first Dutch to win a Tour singles title since Schultz-McCarthy in 1997); SF at Hasselt (l. to Schiavone); QF at 's-Hertogenbosch (ret. vs. Shaughnessy w/right knee injury, which required surgery the day after and would keep her out three months until fall); reached 2r four times (incl.
Australian Open); fell 1r once (
Roland Garros) and in Tour qualifying once; made Top 100 debut on June 6 (after
Roland Garros; rose from No.114 to No.99); won one singles and one doubles title on ITF Circuit.
2006 - First Top 50 season; won second and third Tour singles titles at Hobart (d. Benesova in final) and 's-Hertogenbosch (d. d. Safina in final); SF three times, at Istanbul (l. to Myskina), Budapest (l. to Domínguez Lino) and Hasselt (l. to Kanepi); QF at Stuttgart; reached 3r twice (incl.
Australian Open; ret. vs. Mauresmo w/heat illness) and 2r once; fell 1r nine times (incl. other three majors) and in Tour qualifying twice; played all four majors in a season for first time; made Top 50 debut on January 16 (after Hobart; rose from No.60 to No.43); also won first two Tour doubles titles.
2007 - Second straight Top 50 season; QF twice, at Charleston and
Wimbledon (first Grand Slam QF; l. to Bartoli); reached 3r twice (incl.
Roland Garros) and 2r 10 times (incl.
US Open); fell 1r 11 times (incl.
Australian Open).
2008 - Injury-marred season, finishing at No.219 (first non-Top 100 finish since 2004); first half of season hindered by left wrist injury, going 0-10 (incl. 1r exits at
Australian Open and
Roland Garros; withdrew from Hobart, Antwerp and Doha w/left wrist injury); reached career-high No.30 on February 11 (rose from No.32 to No.30); went 3-3 on grass, reaching 3r at Birmingham, QF at 's-Hertogenbosch (also won third Tour doubles title there w/Erakovic) and 1r loss at
Wimbledon (l. to Erakovic); fell out of Top 100 on July 7 (after points from 2007
Wimbledon QF dropped off; fell from No.49 to No.113); missed next three months w/knee injury and returned in September, falling in Tour qualifying twice (Stuttgart, Luxembourg) and playing on ITF Circuit.
2009 - QF at Memphis; reached 2r three times; fell 1r three times and in Tour qualifying four times (incl.
Roland Garros); won one singles title and two doubles titles on ITF Circuit; withdrew from Québec City w/left wrist injury.