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

Book: ∞ / 0

# move proof disproof
1 c6 0
2 a5 0
3 Nb6 0
4 Nc5 0
5 Nb8 0
6 Nf6 0
7 Nf8 0
8 Ne5 0
9 c5 0
10 a6 0