2017 ? Enjoyed a renaissance year, tallying 38 wins throughout the season, the most since her 2011 campaign; finished the year ranked No.27, her highest end-of-year rank since 2011 (No.17); collected her second career WTA singles title at Nanchang (d. Hibino in F); runner-up at Taipei City (l. Svitolina in F); reached two SF in Strasbourg (l. Stosur) and Tianjin (l. Sharapova); also made QF appearance in New Haven (l. Radwanska); won her 21st career doubles title in Shenzhen with partner, Hlavackova; achieved runner-up in twice (Melbourne and Dubai) and entered the SF in doubles five different times (Miami, Cincinnati, US Open, Wuhan and Beijing); best Grand Slam result was 3r exit at Wimbledon.
2016 - Near-Top 100 season (finished ranked No.109); won maiden WTA singles title at Tianjin (d. Riske in F); 2r three times (incl. Miami and Beijing); 1r exits nine times (incl. Indian Wells, Wimbledon, Rio Olympics and US Open); won two WTA doubles titles.
2015 - Injury-marred season (finishing No.136); played first month and a half of season, best result being one 4r finish (Australian Open); also reached 2r three times and fell 1r once; missed next two and a half months w/back injury (withdrew from Doha, Indian Wells, Miami, Charleston, Stuttgart, Marrakech and Rome); returned for two events in May, falling 1r at Madrid and Roland Garros; missed rest of season w/back injury (withdrew from all events incl. Wimbledon and US Open).
2014 - Second-best season to date (finishing No.22 - finished No.17 in 2011); runner-up at Shenzhen (l. to Li in final); SF twice at US Open (first Grand Slam SF; ret. vs. Wozniacki w/heat illness) and Tianjin (ret. vs. Bencic w/low back injury); QF twice at Pattaya City and Marrakech; reached 4r once (Wimbledon), 3r once and 2r seven times; fell 1r eight times (incl. other two majors); won five WTA doubles titles; rose to No.1 in doubles on February 17 (first Chinese, male or female, to rise to No.1 in either singles or doubles); won one WTA 125K Series singles title.
2013 - Another Top 50 season; runner-up at Brussels (l. to Kanepi in final); SF at Shenzhen (l. to Li); reached 3r once and 2r 10 times (incl. all four majors); fell 1r five times and in qualifying once; won five WTA doubles titles w/Hsieh (incl. Wimbledon - first Grand Slam title of any kind, and WTA Finals); made doubles Top 10 debut on July 8 (after Wimbledon; rose from No.23 to No.10) and doubles Top 5 debut on October 21 (rose from No.7 to No.5).
2012 - Another Top 50 season; QF three times at Kuala Lumpur, Dallas and Guangzhou; reached 4r once (Wimbledon), 3r four times (incl. Roland Garros) and 2r seven times (incl. Australian Open and Olympics); fell 1r eight times (incl. US Open); had on-and-off struggles with injury throughout season, mostly left hand injury (retired in Rome 1r and withdrew from Birmingham, Eastbourne and Stanford) and right shoulder injury (withdrew from Charleston then retired in Dallas QF match and Luxembourg 1r match).
2011 - First Top 20 season (finishing No.17); runner-up at Brussels (l. to Wozniacki in final); SF four times at Auckland (l. to Wickmayer), Hobart (l. to Mattek-Sands), Charleston (l. to Vesnina) and Birmingham (l. to Lisicki); QF six times at Pattaya City, Doha, Indian Wells, Carlsbad, Cincinnati and Bali; reached 4r four times (incl. Wimbledon, US Open and Australian Open - l. to A.Radwanska 75 36 75; held 2mp at 5-4 third set), 3r twice (incl. Roland Garros - ret. vs. Schiavone w/illness) and 2r twice; fell 1r four times; started year No.72, cracked Top 20 on June 6 (after Roland Garros; rose from No.25 to No.20) and set career-high No.14 on August 22 (second-highest-ranked Chinese player ever - Li went as high as No.2); won one WTA doubles title; withdrew from Toronto 2r match, Cincinnati QF match and Dallas w/left hip injury.
2010 - Another Top 100 season; SF at Estoril (l. to Sevastova); QF at Charleston; reached 3r twice (incl. US Open) and 2r five times (incl. Madrid - l. to Parra Santonja 16 76(1) 63; held 2mp at 61 54); fell 1r four times (incl. Australian Open) and in qualifying once; won one singles title on ITF Circuit; struggled with illness and injury, first appendicitis (withdrew from Pattaya City and Dubai), then illness (withdrew from Strasbourg, Roland Garros, Birmingham, 's-Hertogenbosch and Wimbledon), then left ankle injury (withdrew from Palermo, Bad Gastein and MontrÂ‚al) then right elbow injury (retired in US Open 3r and withdrew from Tashkent).
2009 - Another Top 50 season; SF at Guangzhou (ret. vs. Peer w/right wrist injury); QF three times at Pattaya City, Strasbourg and Beijing; reached 3r five times (incl. Australian Open) and 2r five times (incl. Wimbledon, US Open); fell 1r eight times (incl. Roland Garros and Dubai - l. to Niculescu 36 75 62; led 63 52 w/mp); won three WTA doubles titles.
2008 - Another Top 50 season; runner-up twice at Forest Hills (l. to Safarova in final) and Guangzhou (l. to Zvonareva in final); SF at Tashkent (l. to Lisicki); QF at Strasbourg; reached 3r twice (incl. Wimbledon) and 2r nine times (incl. Roland Garros, Olympics and US Open); fell 1r eight times (incl. Australian Open) and in qualifying once; won two WTA doubles titles.
2007 - Another Top 50 season; SF twice at Pattaya City (l. to Bammer) and Beijing (l. to Szavay); reached 3r four times and 2r six times (incl. Australian Open); fell 1r six times (incl. Wimbledon and US Open) and in qualifying twice; won one WTA doubles title; withdrew from Roland Garros w/left ankle sprain.
2006 - Another Top 100 season; runner-up at Strasbourg (l. to Vaidisova in final); SF twice at Prague (l. to Stosur) and Beijing (l. to Kuznetsova); reached 3r once (Wimbledon) and 2r six times (incl. Roland Garros); fell 1r seven times (incl. other two majors).
2005 - First Top 50 season; SF twice at Sydney (l. to Molik) and San Diego (l. to Pierce); QF three times at Strasbourg, Beijing and Guangzhou; reached 3r once and 2r five times (incl. Australian Open and Roland Garros); fell 1r five times (incl. US Open); made Top 50 debut on January 17 (after Sydney; rose from No.80 to No.48); missed Wimbledon for Chinese National Championships.
2004 - First Top 100 season; QF twice at Cincinnati and Guangzhou; reached 2r once; fell 1r once (Wimbledon) and in qualifying four times (incl. Roland Garros and US Open); made Top 100 debut on August 23 (after Cincinnati; rose from No.108 to No.86); won three singles titles and one doubles title on ITF Circuit.
2003 - Fell 1r twice and in qualifying once; won two singles titles and one doubles title on ITF Circuit.
2002 - Fell 1r once; won one singles title on ITF Circuit.
2001 - Played first WTA main draw at Shanghai, falling 1r (as WC); won two singles titles and one doubles title on ITF Circuit.
2000 - Played first event of career on ITF Circuit in China, reaching SF (l. to Li).