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

Book: ∞ / 0

# move proof disproof
1 Bb7 0
2 Bh3 0
3 Kd7 0
4 Bd7 0
5 e6 0
6 a6 0
7 g6 0
8 f5 0
9 Be6 0
10 Bg4 0
11 Ba6 0
12 Bf5 0
13 Rb8 0
14 g5 0
15 f6 0
16 h6 0
17 Nh6 0
18 Kd8 0
19 a5 0
20 Nf6 0