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

Book: ∞ / 0

# move proof disproof
1 e6 0
2 d5 0
3 e5 0
4 Bg7 0
5 Bb7 0
6 d6 0
7 Rg8 0
8 Ra7 0
9 h5 0
10 Rb8 0