2004 - Played first WTA qualifying at Hasselt (as WC); also played on ITF Circuit in Belgium.
2005 - Continued to play on ITF Circuit in Belgium.
2006 - Fell in WTA qualifying once; won three singles titles and two doubles titles on ITF Circuit.
2007 - Fell in WTA qualifying three times; won four singles titles and four doubles titles on ITF Circuit.
2008 - First Top 100 season; reached first WTA final at Birmingham (l. to K.Bondarenko); QF at Seoul; reached 2r three times; fell 1r nine times (incl.
Roland Garros,
Wimbledon,
US Open) and in 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.
2009 - First Top 20 season (finishing No.16); reached first Grand Slam SF at
US Open (l. to Wozniacki) and first two WTA titles at Estoril (d. Makarova in final) and Linz (d. Kvitova in final); runner-up at 's-Hertogenbosch (l. to Tanasugarn); SF at Luxembourg (l. to Bacsinszky); QF at Birmingham (l. to Sharapova); reached 3r once and 2r four times (incl.
Roland Garros and Indian Wells - l. to Hantuchova 57 63 76(4); held 2mp at 6-5 third set); fell 1r seven times (incl. other two majors); fell in RR stage at Bali (went 1-0 in RR; withdrew before second match w/voluntary withdrawal); made Top 50 debut on August 31 (rose from No.53 to No.50), Top 40 and Top 30 debuts on September 14 (after
US Open; rose from No.50 to No.22) and Top 20 debut on October 19 (after Linz; rose from No.24 to No.20), peaking at No.16 on November 9 year-end rankings; won one singles title and one doubles title on ITF Circuit.
2010 - Another Top 30 season (finishing No.23); won third WTA title at Auckland (d. Pennetta in final); QF five times, at Miami, Birmingham, Stanford, Cincinnati and Bali; reached 4r three times (incl.
Australian Open,
US Open), 3r three times (incl. other two majors) and 2r twice; fell 1r eight times; set new career-high No.12 on April 19 (rose from No.13 to No.12).
2011 - Another Top 30 season (finishing No.26); runner-up at Auckland (l. to Arn in final); SF at Indian Wells (l. to Bartoli); QF four times, at Paris [Indoors], Charleston, Brussels and 's-Hertogenbosch; reached 4r once (
Wimbledon), 3r three times (incl.
Roland Garros) and 2r four times (incl. other two majors); fell 1r four times; struggled throughout season w/back injury, retiring from Brussels QF, Dallas 1r and
US Open 2r matches and withdrawing from Stanford, Carlsbad, Beijing, Linz and Luxembourg; also withdrew from Doha w/leg injury, from Stuttgart w/knee injury and from Tokyo [Pan Pacific] w/personal reasons.
