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

Book: ∞ / 0

# move proof disproof
1 b5 0
2 Na6 0
3 Nc6 0
4 b6 0
5 d5 0
6 d6 0
7 e5 0
8 e6 0
9 h5 0
10 a6 0
11 Rh7 0
12 g5 0
13 g6 0
14 Kd8 0
15 f6 0
16 f5 0
17 Nf6 0