The ITF Women's Circuit is the second tier tour for women's professional tennis organised by the International Tennis Federation, and is the tier below the WTA Tour. In 2006, the ITF Women's Circuit included tournaments with prize money ranging from $10,000 to $75,000.
The ITF world champions in 2006 were Justine Henin (senior singles), Lisa Raymond / Samantha Stosur (senior doubles) and Anastasia Pavlyuchenkova (combined junior ranking).
Singles titles by nation
This list displays only the top 20 nations in terms of singles titles wins.
References
2006 ITF Women's Circuit Wikipedia(Text) CC BY-SA