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

Book: ∞ / 0

# move proof disproof
1 Nc2 0
2 e5 0
3 Ba6 0
4 Nb3 0
5 g5 0
6 Nf6 0
7 Nh6 0
8 g6 0
9 Ra7 0
10 Ra6 0
11 h6 0
12 h5 0
13 d6 0
14 d5 0
15 Bb7 0
16 e6 0
17 Rb8 0