Temari, by virtue of being older, stronger, and more of a threatening presense than Hinata, Tenten, etc. Her fan is just too strong of a defensive force for the other female genins to overcome. Temari has a lot of stamina and strength as well.

Sasuke did own her hardcore though [img]i/expressions/face-icon-small-smile.gif[/img] One of Sasuke's funnier victories ..