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

Book: ∞ / 0

# move proof disproof
1 d6 0
2 Kd8 0
3 Ra7 0
4 h5 0
5 h6 0
6 Bb7 0
7 Ba3 0
8 Ke7 0
9 Kf7 0
10 Rg8 0
11 Be7 0
12 Bb4 0
13 Bg7 0
14 Bd6 0
15 Bh6 0
16 Bc5 0
17 d5 0
18 Rb8 0