1990 - Made first appearance in ITF/Bangkok-THA qualifying.
1991 - Continued to play on ITF Circuit.
1992 - Continued to play on ITF Circuit.
1993 - Played first Tour main draw at Pattaya City, falling 1r (l. to Stubbs); fell in Tour qualifying once; won one singles title on ITF Circuit.
1994 - Reached 2r once; fell in Tour qualifying once; continued to play on ITF Circuit.
1995 - First full season on Tour, best result being 3r at Miami; fell in qualifying at all four Grand Slams; 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); 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); made main draw debuts at all four Grand Slams, best results being 3r at
Australian Open,
Wimbledon and
US Open; won one singles title on ITF Circuit; made Top 50 debut on June 9 (after
Roland Garros; rose from No.52 to No.48).
1998 - SF at Tokyo [Princess Cup] (l. to Seles); QF three times, at Auckland, Stanford and Pattaya City; first Grand Slam 4r appearances at
Australian Open (first Thai woman to reach a Grand Slam 4r) and
Wimbledon (l. to Hingis); won one Tour doubles title.
1999 - QF at Kuala Lampur; reached 4r at
Wimbledon (l. to Lucic); won two singles titles on ITF Circuit.
2000 - First Top 30 season; 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 Lampur (l. to Nagyova); QF at Pattaya City; reached 4r at
Wimbledon (l. to S.Williams); also played Olympics (l. to V.Williams in 2r); won one Tour doubles title; won one singles title on ITF Circuit.
2001 - Another Top 30 season; 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 at
Wimbledon (l. to Tauziat); won one Tour doubles title.
2002 - Third straight Top 30 season; 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 at
Wimbledon (l. to Seles); 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 - Won first Tour singles 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 at
US Open (l. to Mauresmo); won two Tour doubles titles.
2004 - SF twice, at Hyderabad (l. to Kirilenko) and Tokyo [Japan Open] (l. to Sharapova); QF twice, at Birmingham and Guangzhou; reached 4r at
Wimbledon (l. to Sugiyama); also played Olympics (l. to Widjaja in 1r).
2005 - QF at Birmingham; won one singles title on ITF Circuit.
2006 - Runner-up at Bangkok (l. to King 26 64 64 in final; led 4-2 third set); QF at Kolkata (l. to Hingis); won one singles title and one doubles title on ITF Circuit.
2007 - Did not win back-to-back matches in any Tour main draws.
2008 - First Top 40 season in five years (finishing at No.35), highlighted by nine-match grass court win streak, winning second Tour singles title at 's-Hertogenbosch (d. Safina in final) and reaching first Grand Slam QF at
Wimbledon (l. to V.Williams); rose from No.85 to No.60 on June 23 (after 's-Hertogenbosch) and from No.60 to No.37 on July 7 (after
Wimbledon), her first time in Top 40 since January 2004; QF twice, at Pattaya City and Tokyo [Japan Open]; reached 3r twice and 2r twice; fell 1r seven times (incl. other three majors and Olympics); fell in Tour qualifying once; won one singles title on ITF Circuit; withdrew from Bali w/back injury.
2009 - Won third Tour singles title at 's-Hertogenbosch (d. Safina in SF to become first Thai woman ever to beat a reigning world 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 sixth Tour doubles title at Pattaya City (w/Shvedova); withdrew from Los Angeles and Cincinnati w/right elbow injury.
