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

Book: ∞ / 0

# move proof disproof
1 Nc2 0
2 Nf5 0
3 Nb3 0
4 d5 0
5 Ba6 0
6 Ng8 0
7 h4 0
8 Rb8 0
9 Bb7 0
10 a6 0
11 d6 0
12 Nf7 0
13 Ng4 0