100% Tats can't beat Saitama
It can't be helped. Girls can't win against the dick.
crushing brain? KEK.. tatsumaki's telekinesis doesn't work on Saitama. period.
you don't move a person using magic by only using it on the muscle. There are no "hard muscle", almost all of the things inside is "soft" expect bones and the other bone, they are very hard.