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

Book: ∞ / 0

# move proof disproof
1 Nc2 0
2 Ra6 0
3 e4 0
4 Nf6 0
5 Ra7 0
6 h5 0
7 h6 0
8 Ba6 0
9 Nb3 0
10 Ne7 0
11 Nh6 0
12 Rb8 0
13 d6 0
14 d5 0
15 Bb7 0
16 g6 0
17 g5 0