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 Qd8 0
4 g5 0
5 e6 0
6 e5 0
7 Qf8 0
8 Qf7 0
9 Nh6 0
10 Rh7 0
11 Rh6 0
12 Ra7 0
13 Nf6 0
14 Bb7 0
15 h4 0
16 Rb8 0