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

Book: ∞ / 0

# move proof disproof
1 b3 0
2 f6 0
3 Bb7 0
4 Bg7 0
5 h6 0
6 d6 0
7 f5 0
8 Kf6 0
9 Ke8 0
10 Kd8 0
11 Ke6 0
12 Rb8 0
13 Ra7 0
14 Kd6 0
15 Nc5 0
16 Nc7 0
17 Nb8 0
18 Rg8 0
19 b5 0
20 h5 0
21 Bh6 0
22 d5 0