2015 - Near-Top 20 season (finishing No.24); won one WTA title at Antwerp (won when SuÂ rez Navarro withdrew prior to final w/neck injury); SF twice at Miami (l. to SuÂ rez Navarro) and Charleston (l. to Kerber); QF twice at Doha (l. to Safarova) and Eastbourne (l. to Wozniacki); reached 3r six times (incl. Roland Garros, Wimbledon, US Open) and 2r five times; fell 1r eight times (incl. Australian Open); fell in RR at Zhuhai (went 0-2); having spent first 26 weeks inside Top 10 in 2011 and 2012, and falling as low as No.192 in time since due to injury, broke back into Top 10 on February 16 (after Antwerp) and spent 12 more weeks inside the elite (even returning to career-high No.9 on May 11).
2014 - Second-best season to date (finishing No.14 - finished No.10 in 2011); won three WTA titles at Charleston (d. Cepelova in final), Bad Gastein (d. Rogers in final) and Sofia (d. Pennetta in final); SF twice at Roland Garros (first Grand Slam SF; l. to Halep) and Stanford (l. to S.Williams); reached 3r three times (incl. Wimbledon and US Open) and 2r five times; fell 1r nine times (incl. Australian Open) and in qualifying once.
2013 - Another Top 40 season; slow start after missing first two months w/knee injury (incl. Australian Open); best results in first six events back were two 3r finishes (Miami and Charleston); fell 1r and in qualifying three times (incl. Roland Garros); won ITF Circuit title during second week of Roland Garros and season turned from there - best results in next 11 events were two runner-up finishes at NÂrnberg (l. to Halep in final) and Washington DC (l. to Rybarikova in final); also 3r once and 2r five times (incl. Wimbledon); fell 1r three times (incl. US Open); having come back from knee injury at No.177 in March, finished at No.39 on November 4 year-end rankings.
2012 - First non-Top 100 finish since 2008 after double injury-marred season (finished No.143); played two events in Australia to start, reaching QF at Brisbane and 2r at Sydney, then missed three months with low back injury (withdrew from Australian Open, Paris [Indoors], Doha, Dubai, Indian Wells and Miami); reached 2r in comeback event in Stuttgart but injured right ankle and missed another four months (retired in Stuttgart 2r then withdrew from Madrid, Rome, Brussels, Roland Garros, Wimbledon, Olympics, MontrÂ‚al and Cincinnati); returned for six events in fall, falling early in first five (reached 2r twice and fell 1r three times - incl. US Open) but had best result of year in sixth, reaching SF at Luxembourg (l. to V.Williams); finished at WTA 125K Series event in Pune (reached SF).
2011 - First Top 10 season (finishing No.10); won one WTA title at Strasbourg (won when Bartoli ret. w/thigh injury in final); runner-up twice at Brisbane (l. to Kvitova in final) and Beijing (l. to A.Radwanska in final); SF three times at Miami (l. to Sharapova), Carlsbad (l. to A.Radwanska) and Cincinnati (l. to Jankovic); QF six times, most notably only player to reach three Grand Slam QFs in 2011 (Australian Open - l. to Li, Roland Garros - l. to Sharapova, US Open - l. to Wozniacki), also Paris [Indoors], Stuttgart and Toronto; reached 3r twice (incl. Wimbledon) and 2r three times; fell 1r once; having never been higher than No.32, made Top 30 debut on January 31 (after Australian Open; rose from No.33 to No.24), Top 20 debut on April 4 (after Miami; rose from No.23 to No.19) and Top 10 debut on August 8 (after Carlsbad; rose from No.11 to No.10 - sixth German ever to reach Top 10 after Hanika, Bunge, Kohde-Kilsch, Graf and Huber - since joined by Kerber); set career-high No.9 on October 10 (after Beijing); struggled w/right knee injury during fall season (withdrew from Tokyo [Pan Pacific], Linz and Luxembourg).
2010 - First Top 40 season; runner-up at 's-Hertogenbosch (l. to Henin); SF three times at Brisbane (l. to Clijsters), Istanbul (l. to Vesnina) and Linz (l. to Schnyder); QF at Paris [Indoors]; reached 4r once (US Open), 3r four times and 2r eight times (incl. Australian Open and Roland Garros - l. to Kuznetsova 46 75 64; held 4mp at 64 54); fell 1r six times (incl. Wimbledon); made Top 50 debut on January 11 (rose from No.55 to No.49).
2009 - Another Top 100 season; won one WTA title at Bad Gastein (d. Olaru in final); SF at Istanbul (l. to Hradecka); reached 3r once and 2r once (Australian Open); fell 1r five times (incl. US Open) and in qualifying eight times (incl. other two majors); won one singles title on ITF Circuit.
2008 - Fell in WTA qualifying at Gold Coast and Sydney, then fell 1r at Australian Open (ret. w/right knee injury in first game of match vs. Chakvetadze); would be out of action for eight months and returned in September, falling in WTA qualifying twice and winning one singles title and one doubles title on ITF Circuit.
2007 - First Top 100 season; reached 2r twice (Roland Garros, US Open); fell 1r twice and in qualifying four times (incl. Wimbledon); made Top 100 debut on July 30 (No.102 to No.100); won one singles title on ITF Circuit.
2006 - Played first WTA main draw at Hasselt (fell 1r); fell in qualifying twice; won one singles title on ITF Circuit.
2005 - Fell in WTA qualifying five times; won two singles titles and one doubles title on ITF Circuit.
2004 - Won two singles titles and one doubles title on ITF Circuit.
2003 - Continued to play on ITF Circuit.
2002 - Made first appearances in WTA qualifying at Hamburg and Leipzig (both as WC).