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 d6 0
4 Ba6 0
5 Ne7 0
6 Ke8 0
7 Kf7 0
8 Ke7 0
9 a6 0
10 g6 0
11 Nf6 0
12 g5 0
13 Nh6 0
14 Rb8 0
15 Bb7 0
16 Nb3 0
17 h6 0
18 h5 0