Career
On 4 May 2009, she reached her career high singles Women's Tennis Association ranking of 148. 11 April 2005, she reached her career high doubles Women's Tennis Association ranking of 144. Tomoko is the sister of Akiko Yonemura.
Yonemura last match 2011 played.
She retired from tennis 2015. Singles Finals: 10 (7–3)
Doubles Finals: 21 (11–10).
