Endgame Tesuji 14
If black simply pushes with then he can't continue at a because of a shortage of liberties; thus - becomes white's sente.
The monkey jump doesn't work here, the ladder is completed with .
Tapir: is not even necessary for the ladder. Running along the side or locally is enough.
I had trouble reading out this white response, so I'm including the diagram.
It looks like after black 11 at 4 white's 8,10 group is a liberty short. -hqn