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

Book: ∞ / 0

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