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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 Ke7 0
3 Kd8 0
4 Kf8 0
5 Ba6 0
6 g6 0
7 e5 0
8 h6 0
9 Ne7 0
10 Kf7 0
11 g5 0
12 Bb7 0
13 d6 0
14 Rb8 0
15 h5 0
16 Nh6 0
17 Nf6 0
18 a6 0