Click on the third or sixth rank to set the en passant target square.

Book: ∞ / 0

# move proof disproof
1 Nc6 0
2 a6 0
3 Na6 0
4 Nd7 0
5 Nf6 0
6 e5 0
7 Nh6 0
8 e6 0
9 a5 0