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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 h6 0
3 Nf6 0
4 d6 0
5 Nh6 0
6 h5 0
7 e6 0
8 e5 0
9 b6 0
10 b5 0
11 Rb8 0
12 Bg7 0
13 Bh6 0
14 f6 0
15 f5 0
16 Kd8 0
17 a6 0