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

Book: ∞ / 0

# move proof disproof
1 Rb8 0
2 Ke7 0
3 Kf7 0
4 Kf8 0
5 Kd8 0
6 Ra7 0
7 Ne7 0
8 Nh6 0
9 g5 0
10 g6 0
11 d6 0
12 Nf6 0
13 Bb7 0
14 d5 0