1001kyu: Sorry about that, allow me to try and elaborate. At move 4 there are two possible ways to atari the stone for the opponent, the one in this puzzle is wrong because hero can just connect and it is a capturing race that hero wins. So, opponent should atari the other side and the problem then works as intended.
Ivan Detkov: I see. The variant is OK. I just added the connection as a correct solution. So, it is S8S6S5Q6R5.
I see. The variant is OK. I just added the connection as a correct solution. So, it is S8 S6 S5 Q6 R5.