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

Book: ∞ / 0

# move proof disproof
1 d6 0
2 d5 0
3 Rh7 0
4 h4 0
5 f5 0
6 c5 0
7 a5 0
8 Bg7 0
9 c6 0
10 f6 0
11 Nf6 0
12 e5 0
13 Bb7 0
14 e6 0
15 Nc6 0