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 Nh6 0
6 Nb4 0
7 Bh6 0
8 e6 0
9 b4 0
10 Nb8 0
11 Nc7 0
12 f6 0
13 e5 0
14 Kd8 0
15 Nf6 0
16 f5 0
17 b6 0
18 h5 0
19 Bg7 0
20 Nc5 0