2000 - Played first event of career on ITF Circuit in China, reaching SF (l. to Li).
2001 - Played first Tour main draw at Shanghai, falling 1r (as WC); won two singles titles and one doubles title on ITF Circuit.
2002 - Played second Tour main draw at Los Angeles, falling 1r (as WC); won one singles title on ITF Circuit.
2003 - Played two Tour main draws, falling 1r at Indian Wells and Miami (both as WC); fell in Tour qualifying once; won two singles titles and one doubles title on ITF Circuit.
2004 - First Top 100 season; QF twice, at Cincinnati and Guangzhou; reached 2r once; fell 1r once (in Grand Slam main draw debut at
Wimbledon) and in Tour qualifying four times (incl.
Roland Garros,
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.
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,
Roland Garros); fell 1r five times (incl.
US Open); missed
Wimbledon for Chinese National Championships; made Top 50 debut on January 17 (after Sydney; rose from No.80 to No.48) and rose to career-high No.31 on August 8 (after San Diego; was highest Chinese ranking ever at the time; since passed by Li, Zheng).
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); played all four majors in a season for first time.
2007 - Second 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,
US Open) and in Tour qualifying twice; won one Tour doubles title; suffered left ankle sprain in Charleston 3r, causing withdrawals from Rome, Strasbourg and
Roland Garros.
2008 - Third 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,
US Open); fell 1r eight times (incl.
Australian Open) and in Tour qualifying once; won two Tour doubles titles; withdrew from Charleston w/left hamstring injury.
2009 - Fourth Top 50 season in last five years; SF once, at Guangzhou (as No.3 seed, ret. vs. No.5 seed and eventual champion Peer w/right wrist injury); QF three times, at Pattaya City (as No.5 seed, l. to top seed and eventual champion Zvonareva), Strasbourg (as No.3 seed, l. to Morita) and Beijing (d. No.8 seed Jankovic en route; l. to No.13 seed Petrova in 3s); reached 3r five times, at
Australian Open (d. No.28 seed Schiavone en route; l. to No.2 seed and eventual champion S.Williams), Indian Wells (as No.28 seed, l. to top seed Safina), Miami (as No.32 seed, l. to top seed S.Williams), Charleston (as No.10 seed, l. to No.5 seed Wozniacki) and Cincinnati (d. No.15 seed Cibulkova en route; l. to top seed Safina); reached 2r five times, incl.
Wimbledon (l. to No.11 seed A.Radwanska 97 third set) and
US Open (l. to Wickmayer in 3s); fell 1r eight times, incl. Dubai (l. to Niculescu 36 75 62; led 63 52 w/mp) and
Roland Garros (as No.31 seed, l. to Martínez Sánchez in 3s); won fourth through sixth Tour doubles titles at Sydney, Rome and Beijing (all w/Hsieh); member of Chinese Fed Cup team that l. to Germany 3-2 in World Group Play-off (went 1-2).
