Tanasugarn, who scored their best results on grass courts, was 1994 elite player.
Their highest ever World Ranking position it reached rank 19 on May 13, 2002. On the WTA Tour, she won on February 9, 2003 in Hyderabad against Iroda Tulyaganova her first single title. The second tournament victory was followed in June 2008 in 's- Hertogenbosch where she defeated Dinara Safina in the final 7-5, 6-3. This title she successfully defended in 2009 with a playoff victory over Yanina Wickmayer.
17 October 2010 Tanasugarn won her fourth individual title in Osaka on the WTA Tour. In the final, she defeated local hero Kimiko Date Krumm 7-5, 6:74, 6:1.
In 2011 she recorded her biggest success at a Grand Slam tournament. In doubles, she stood at the side of Marina Eraković from New Zealand, with whom she had already won a WTA tournament in 2010, in the semifinals at Wimbledon, where the two Sabine Lisicki and Samantha Stosur 3:6, 6:4, 6:8 documents.
Since 1993 occurs Tanasugarn on for their country in the Fed Cup. Your balance: 46 wins, 24 defeats against (Status: March 5, 2014).