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

Book: ∞ / 0

# move proof disproof
1 Rb8 0
2 Nh6 0
3 Ra7 0
4 Kf7 0
5 g5 0
6 g6 0
7 Kf8 0
8 Ke8 0
9 Kd8 0
10 Kd6 0
11 Ke6 0
12 Kf6 0
13 d6 0
14 Nf6 0
15 Bb7 0
16 d5 0