2015 - Breakthrough season (finishing No.3); won one WTA title at Beijing (d. Bacsinszky in final); runner-up twice at Wimbledon (first Grand Slam final; l. to S.Williams) and Wuhan (ret. vs. V.Williams in final w/left ankle injury); SF twice at Dubai (l. to Ka.Pliskova) and WTA Finals (l. to A.Radwanska); QF three times at Sydney, Roland Garros (l. to Safarova) and Tokyo [Pan Pacific]; reached 4r once (Australian Open), 3r three times and 2r five times (incl. US Open); fell 1r three times; having started season at No.24, made Top 10 debut on July 13 (after Wimbledon; rose from No.20 to No.9), Top 5 debut on October 5 (after Wuhan; rose from No.8 to No.5) and set career-high No.3 on October 26 (going into WTA Finals); won two WTA doubles titles; made doubles Top 10 debut on February 23 (rose from No.13 to No.10).
2014 - Near-Top 20 season (finishing No.21 - broke Top 20 a week after year-end rankings); won one WTA title at Hobart (d. Koukalova in final); runner-up at Florianopolis (l. to Koukalova in final); SF three times at Marrakech (l. to TorrÂ¢-Flor), Tokyo [Pan Pacific] (l. to Wozniacki) and Sofia (l. to Petkovic); QF five times at Auckland, Roland Garros (l. to Sharapova), 's-Hertogenbosch, Stanford and New Haven; reached 4r once (Australian Open), 3r once and 2r five times; fell 1r six times (incl. Wimbledon, US Open and Pattaya City - l. to Date-Krumm 67(2) 75 76(6); held 2mp - 1mp at 5-4 second set and 1mp at 6-5 in third set tie-break); made Top 50 debut on January 13 (after Hobart; rose from No.58 to No.38) and Top 20 debut on November 10 (was No.21 on November 3 year-end rankings but rose to No.20 after Li came off rankings a week later); won two WTA doubles titles.
2013 - Excellent first half of season but missed second half w/ankle injury; first half highlighted by SF at 's-Hertogenbosch (l. to Flipkens) and 4r finishes at Indian Wells (l. to Kerber) and Miami (l. to Li); reached 2r five times (incl. Australian Open, Roland Garros and Wimbledon); fell 1r four times (incl. Charleston - l. to Pegula 67(2) 64 75; held mp at 5-4 third set) and in qualifying four times; won first WTA doubles title at Hobart (w/TorrÂ¢-Flor); withdrew from Birmingham w/right ankle injury; set career-high No.53 on July 15; underwent right ankle surgery on July 2 and missed rest of season (withdrew from all tournaments rest of year - incl. US Open).
2012 - QF at FÂŠs; reached 4r once (first WTA main draw at Miami - by beating No.9 Zvonareva in 2r, was equal-fastest to beat a Top 10 player; Andrea Leand and Julie Coin also beat Top 10 players in their second WTA main draw matches); and 2r once; fell 1r five times (incl. US Open) and in qualifying nine times (incl. Roland Garros, Wimbledon); won one singles title on ITF Circuit; made Top 100 debut on July 23 (rose from No.106 to No.95).
2011 - Won four singles titles on ITF Circuit.
2010 - Won one singles title on ITF Circuit.
2009 - Won one singles title and one doubles title on ITF Circuit.
2008 - Made first appearance in WTA qualifying at Barcelona.