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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 e6 0
3 d6 0
4 h5 0
5 e5 0
6 g5 0
7 Kd8 0
8 a5 0
9 f6 0
10 f5 0
11 Nh6 0
12 Nf6 0
13 Bh6 0
14 h6 0
15 Nc6 0
16 Ra7 0
17 Bg7 0