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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 Bb7 0
3 Rd8 0
4 a5 0
5 h5 0
6 Ba6 0
7 Rb8 0
8 a6 0
9 Bd7 0
10 Re8 0
11 Rf8 0
12 Rg8 0
13 d5 0