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

Book: ∞ / 0

# move proof disproof
1 Ke6 0
2 h6 0
3 Kd8 0
4 d5 0
5 Rb8 0
6 h5 0
7 Kd6 0
8 f6 0
9 Nc7 0
10 Nb8 0
11 d6 0
12 Nc5 0
13 Rg8 0
14 b5 0
15 b6 0
16 Ke8 0
17 Kf6 0
18 Bg7 0
19 Nb4 0
20 f5 0
21 Bh6 0