2004 - Played first Tour qualifying at Hasselt (as WC); also played two events on ITF Circuit in Belgium.
2005 - Continued to play on ITF Circuit in Belgium.
2006 - Fell in Tour qualifying once; won three singles titles and two doubles titles on ITF Circuit.
2007 - Fell in Tour qualifying three times; won four singles titles and four doubles titles on ITF Circuit.
2008 - First Top 100 season; reached first Tour singles final at Birmingham (l. to K.Bondarenko 76 third set); QF at Seoul (l. to Kanepi); reached 2r three times; fell 1r nine times, incl. in Grand Slam main draw debuts at
Roland Garros (l. to Amanmuradova),
Wimbledon (l. to Sugiyama) and
US Open (l. to Srebotnik); fell in Tour qualifying twice (incl.
Australian Open); made Top 100 debut on May 12 (rose from No.120 to No.99); won one singles title and one doubles title on ITF Circuit; member of Belgian Fed Cup team that l. 3-2 to Ukraine in World Group II (went 2-1); withdrew from 's-Hertogenbosch w/right knee injury, Bali w/ankle injury and Québec City w/left ankle injury.
2009 - Breakthrough season culminating in first Top 20 finish (at No.16), highlighted by first Grand Slam SF and first two Tour singles titles; reached SF at
US Open (had never been beyond 2r at a Grand Slam previously; unseeded, d. No.16 seed Razzano en route, falling to No.9 seed Wozniacki); surged from No.50 to No.22 afterwards on September 14 (simultaneous Top 40 and Top 30 debuts); won first two Tour singles titles at Estoril (d. No.5 seed Kvitova and No.3 seed Cirstea en route to final, then d. No.6 seed Makarova for title) and Linz (as No.3 seed, d. top seed Pennetta in SF and Kvitova in final); made Top 20 debut afterwards on October 19 (rose from No.24 to No.20) and peaked at No.16 on November 9 year-end rankings; runner-up once, at 's-Hertogenbosch (as WC, d. No.4 seed Cirstea en route to final; l. to Tanasugarn); SF once more, at Luxembourg (as No.5 seed, l. to eventual champion Bacsinszky 75 third set); QF once, at Birmingham (d. No.14 seed Vinci en route; l. to Sharapova in 3s); best result in other 12 Tour main draws was 3r at Los Angeles (l. to No.2 seed Zvonareva in 3s); reached 2r four times, incl. Indian Wells (l. to No.30 seed Hantuchova 57 63 76(4); held 2mp at 6-5 third set) and
Roland Garros (l. to No.30 seed Stosur in 3s); fell 1r seven times, incl.
Australian Open (l. to qualifier Brianti) and
Wimbledon (l. to Vesnina); qualified for Bali but fell in RR stage (went 1-0 in RR stage; withdrew from tournament prior to second match w/voluntary withdrawal); member of Belgian Fed Cup team that l. to Slovakia 4-1 in World Group II (went 0-2); withdrew from Seoul w/left hamstring injury; won one singles title and one doubles title on ITF Circuit.