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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 h5 0
3 e5 0
4 Bb7 0
5 g6 0
6 Rb8 0
7 Ra7 0
8 Bd7 0
9 g5 0
10 Rh8 0