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

Book: ∞ / 0

# move proof disproof
1 e6 0
2 e5 0
3 Rf8 0
4 Rg8 0
5 h5 0
6 d5 0
7 d6 0
8 Bb7 0
9 Ra7 0
10 Re8 0
11 Rd8 0
12 Rb8 0