1990 - Played first event of career at ITF/Bangkok-THA.
1991 - Continued to play on ITF Circuit.
1992 - Continued to play on ITF Circuit.
1993 - Played first WTA main draw at Pattaya City, falling 1r (as WC, l. to Stubbs); fell in qualifying once; won one singles title on ITF Circuit.
1994 - Reached 2r once; fell in qualifying once.
1995 - Reached 3r once and 2r twice; fell 1r twice and in qualifying seven times (incl. all four majors); won one doubles title on ITF Circuit.
1996 - First Top 100 season; runner-up at Pattaya City (l. to Dragomir Ilie in final); SF at Beijing (l. to Wang); reached 2r twice; fell 1r once and in qualifying three times (incl.
Australian Open); made Top 100 debut on November 25 (after Pattaya City; rose from No.104 to No.79); won three singles titles and one doubles title on ITF Circuit.
1997 - First Top 50 season; SF at Auckland (l. to Maruska); reached 3r three times (
Australian Open,
Wimbledon,
US Open) and 2r nine times (incl.
Roland Garros); fell 1r seven times and in qualifying three times; made Top 50 debut on June 9 (after
Roland Garros; rose from No.52 to No.48); won one singles title on ITF Circuit.
1998 - Another Top 50 season; SF at Tokyo [Princess Cup] (l. to Seles); QF three times, at Auckland, Stanford and Pattaya City; reached 4r twice (
Australian Open,
Wimbledon - first Thai woman to reach a Grand Slam 4r), 3r once and 2r five times; fell 1r nine times (incl. other two majors) and in qualifying twice; won one WTA doubles title.
1999 - Another Top 100 season; QF at Kuala Lumpur; reached 4r once (
Wimbledon), 3r once and 2r once (
US Open); fell 1r nine times (incl. other two majors) and in qualifying twice; won two singles titles on ITF Circuit.
2000 - First Top 30 season (finishing No.29); runner-up at Birmingham (l. to Raymond in final); SF three times, at Tokyo [Japan Open] (l. to Halard-Decugis), Shanghai (l. to Tulyaganova) and Kuala Lumpur (l. to Nagyova); QF at Pattaya City; reached 4r once (
Wimbledon), 3r twice (
Australian Open,
US Open) and 2r eight times (incl.
Roland Garros, Olympics); fell 1r three times and in qualifying twice; won one WTA doubles title; won one singles title on ITF Circuit.
2001 - Another Top 30 season (finishing No.29); runner-up at Tokyo [Japan Open] (l. to Seles in final); SF at Dubai (l. to Hingis); QF three times, at Eastbourne, Tokyo [Princess Cup] and Bali; reached 4r twice (incl.
Wimbledon), 3r three times (incl.
Australian Open) and 2r four times; fell 1r seven times (incl. other two majors) and in qualifying once; won one WTA doubles title.
2002 - Third straight Top 30 season (finishing No.28); runner-up twice, at Canberra (l. to Smashnova in final) and Doha (l. to Seles in final); SF at Tokyo [Japan Open] (l. to Craybas); QF four times, at Tokyo [Pan Pacific], Dubai, Tokyo [Princess Cup] and Pattaya City; reached 4r once (
Wimbledon), 3r five times (incl.
Australian Open,
Roland Garros) and 2r six times (incl.
US Open); fell 1r seven times; made Top 20 debut on February 18 (after Doha; rose from No.21 to No.20); spent nine weeks in Top 20 during 2002 (peaking at No.19).
2003 - Near-Top 30 season (finishing No.34); won first WTA title at Hyderabad (d. Tulyaganova in final); SF at Pattaya City (l. to Nagyova); QF three times, at Tokyo [Pan Pacific], Birmingham and Bali; reached 4r once (
US Open), 3r three times (incl.
Australian Open) and 2r seven times; fell 1r eight times (incl. other two majors); won two WTA doubles titles.
2004 - Another Top 100 season; SF twice, at Hyderabad (l. to Kirilenko) and Tokyo [Japan Open] (l. to Sharapova); QF twice, at Birmingham and Guangzhou; reached 4r once (
Wimbledon) and 2r five times; fell 1r 15 times (incl. other three majors, Olympics) and in qualifying once.
2005 - QF at Birmingham; reached 2r four times (incl.
Australian Open,
Wimbledon); fell 1r 11 times (incl. other two majors) and in qualifying once; won one singles title on ITF Circuit.
2006 - Another Top 100 season; runner-up at Bangkok (l. to King in final); QF at Kolkata; reached 3r once (
Wimbledon) and 2r once; fell 1r three times (incl.
Australian Open) and in qualifying four times (incl.
US Open); won one singles title and one doubles title on ITF Circuit.
2007 - Reached 2r nine times (incl.
Roland Garros); fell 1r nine times (incl. other three majors) and in qualifying three times.
2008 - Near-Top 30 season (finishing No.35); went on 11-match grass court winning streak, winning second WTA title at 's-Hertogenbosch (as qualifier, d. Safina in final) and becoming first Thai to reach a Grand Slam QF at
Wimbledon (l. to V.Williams); QF twice more, at Pattaya City and Tokyo [Japan Open]; reached 3r twice and 2r twice; fell 1r nine times (incl. other three majors, Olympics) and in qualifying once; won one singles title on ITF Circuit.
2009 - Won third WTA title at 's-Hertogenbosch (d. Safina in SF to become first Thai woman ever to beat a reigning No.1; d. Wickmayer in final); QF at Pattaya City; reached 2r three times (incl.
Roland Garros); fell 1r eight times (incl. other three majors); won one WTA doubles title; won one doubles title on ITF Circuit.
2010 - Another Top 100 season; won fourth WTA title at Osaka (d. Date-Krumm; oldest WTA final ever - 73 years combined); runner-up at Pattaya City (l. to Zvonareva in final); reached 3r once and 2r three times (incl.
Australian Open); fell 1r four times (incl.
Roland Garros,
Wimbledon) and in qualifying once; won one WTA doubles title; won three doubles titles on ITF Circuit.
2011 - QF at Osaka; reached 2r twice (incl.
Wimbledon); fell 1r seven times (incl.
Australian Open,
US Open) and in qualifying once; won two singles titles on ITF Circuit; withdrew from Indian Wells and Miami w/right elbow injury.
