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

Book: ∞ / 0

# move proof disproof
1 Nc2 0
2 d5 0
3 Nb3 0
4 Ba6 0
5 h5 0
6 h6 0
7 Rb8 0
8 d6 0
9 Nf6 0
10 Bb7 0
11 Ne7 0
12 Nh6 0
13 a6 0
14 g6 0
15 g5 0