2005 - Made pro debut as unranked WC at Cincinnati eight days after her 15th birthday (l. to Schnyder in 1r); second event came at Stockholm three weeks later (l. to Sucha in 1r).
2006 - Season highlighted by first two QF, at Memphis and Stockholm; fell 1r twice and in qualifying once; won one singles title on ITF Circuit.
2007 - First Top 100 season; SF at Tokyo [Japan Open] (l. to V.Williams); QF twice; made debuts at three Grand Slams, falling 1r at
Roland Garros but reaching 2r at
Wimbledon and
US Open; reached 2r three more times and fell 1r six times; made Top 100 debut on July 9 (after
Wimbledon; rose from No.103 to No.88); won two singles titles on ITF Circuit.
2008 - First Top 20 season, highlighted by first three WTA titles at Stockholm (d. Dushevina in final), New Haven (d. Chakvetadze in final) and Tokyo [Japan Open] (d. Kanepi in final); was first Dane to win a WTA title (Scheuer-Larsen is the only other Dane to win a WTA title of any kind, winning seven doubles titles in 1980s and 1990s); runner-up once, at Luxembourg (l. to Dementieva in final); SF once, at Portoroz (l. to Errani); QF three times, 4r four times (incl.
Australian Open,
US Open); apart from four 4r finishes had 11 pre-QF exits (incl. 3r at
Roland Garros,
Wimbledon); went from outside Top 50 to inside Top 20 during season, making Top 50 debut on January 28 (after
Australian Open; rose from No.64 to No.45) and Top 20 debut on August 25 (after New Haven; rose from No.22 to No.18); won first WTA doubles title at Beijing (w/Medina Garrigues); also won one singles title on ITF Circuit at end of year.
2009 - First Top 5 season (finished at No.4); won three WTA titles at Ponte Vedra Beach (d. Wozniak in final), Eastbourne (d. Razzano in final) and New Haven (d. Vesnina in final); runner-up five times, incl.
US Open (l. to Clijsters in first Grand Slam final; was first Dane, male or female, to reach a Grand Slam final in Open Era) and also Memphis (l. to Azarenka in final), Charleston (l. to Lisicki in final), Madrid (l. to Safina in final) and Bastad (l. to Martínez Sánchez in final); SF twice, at Osaka (l. to Stosur) and WTA Championships (went 2-1 in RR stage; ret. vs. S.Williams in SF w/left abdominal strain); QF six times, incl. Sydney (l. to S.Williams 67(5) 63 76(3); held 3mp at 6-5 third set); reached 4r once (
Wimbledon), 3r three times (incl.
Australian Open,
Roland Garros) and 2r four times; fell 1r twice; started season at No.12 but finished at No.4, making Top 10 debut on May 18 (after Madrid; rose from No.11 to No.10), Top 5 debut on September 21 (shortly after
US Open; rose from No.6 to No.5) and reaching career-high No.4 on November 2 (after Luxembourg); had most main draw match wins on WTA for year with 67; also won second WTA doubles title at Memphis (w/Azarenka).
2010 - First No.1 season, highlighted by WTA-leading six titles and 62 match wins; went 30-13 between January and July, winning one title at Ponte Vedra Beach (d. Govortsova in final), finishing runner-up at Indian Wells (l. to Jankovic in final), SF at Charleston (ret. vs. Zvonareva w/right ankle sprain) and three QF, at Miami (l. to Henin), Warsaw (ret. vs. Zheng w/right ankle injury) and
Roland Garros (l. to Schiavone); had eight pre-QF exits in that stretch, incl. 4r losses at
Australian Open (l. to Li) and
Wimbledon (l. to Kvitova); having started year at No.4, set new career-highs of No.3 on February 1 and No.2 on March 22, but dipped back to No.4 going into summer hardcourt season; went 32-4 in phenomenal second half of season, winning five more titles at Copenhagen (d. Zakopalova in final), Montréal (d. Zvonareva in final), New Haven (d. Petrova in final), Tokyo [Pan Pacific] (d. Dementieva in final) and Beijing (d. Zvonareva in final), reaching final of WTA Championships (went 2-1 in RR, losing to Stosur; d. Zvonareva in SF before falling to Clijsters in final), SF at
US Open (l. to Zvonareva) and in only pre-SF exit in last eight events of year, 3r at Cincinnati (l. to Bartoli); became 20th No.1 in WTA history on October 11 (after Beijing; rose from No.2 to No.1) and finished year at No.1 as well.
2011 - Second straight No.1 season, highlighted by six WTA titles and WTA-leading 63 match wins; won 13th through 18th WTA titles at Dubai (d. Kuznetsova in final), Indian Wells (d. Bartoli in final), Charleston (d. Vesnina in final), Brussels (d. Peng in final), Copenhagen (d. Safarova in final) and New Haven (d. Cetkovska in final); runner-up twice, at Doha (l. to Zvonareva in final) and Stuttgart (l. to Goerges in final); SF three times, at
Australian Open (l. to Li 36 75 63; held mp at 63 54), Rome (l. to Sharapova) and
US Open (l. to S.Williams); QF at Beijing; reached 4r twice (incl.
Wimbledon) and 3r three times (incl.
Roland Garros); fell 2r four times (incl. three times after 1r bye, also ret. in Bastad 2r w/right shoulder strain); fell in RR stage at WTA Championships (went 1-2 in RR, d. A.Radwanska but losing to Zvonareva and Kvitova); spent all but one week of season at No.1 (Clijsters assumed No.1 the week of February 14).
