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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 a6 0
3 Bb7 0
4 e5 0
5 e6 0
6 h5 0
7 Nc2 0
8 Nb3 0
9 Ba6 0
10 Nh6 0
11 Nf6 0
12 g6 0
13 g5 0
14 h6 0
15 d6 0
16 d5 0
17 Rb8 0