If we strictly calculate the combat power gap between Haku, Sai, and Sakura, it is hard to say that Sakura can steadily crush the two of them right now.
However, in terms of surprise-attack speed, it is safe to say that only Naruto can barely fight Sakura to a draw.
Coupled with the fact that this blow came completely without warning, the two instantly looked somewhat disheveled.
Chapter 179