はずが / はない
Usage
(V / いA / な ~~-だ~~ -> な / N ~~-だ~~ -> の) + はずが / はない Negatives form of はずだ, means impossible or out of question. It is used for strongly denying something based on sound reasoning.
Examples
あんなに練習したんだから、今日の試合は負けるはずがない。
They have practiced so hard, there's no way they can lose today's match
人気がある映画なのだから、面白くないはずはありません。
It's a popular film, so it can't possibly be dull
Good to know
When strongly denying what someone has said, implying that it is not true, the expression [そんなはずはない]