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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 d6 0
3 h6 0
4 Rb8 0
5 Bb7 0
6 Ne7 0
7 Nf6 0
8 Nh6 0
9 Kf8 0
10 Kd8 0
11 Ra7 0
12 g6 0
13 Kf7 0
14 Ke7 0
15 h5 0
16 e5 0