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

Book: ∞ / 0

# move proof disproof
1 b5 0
2 b6 0
3 Na6 0
4 Kc7 0
5 h6 0
6 Kc6 0
7 Kd6 0
8 e5 0
9 Rg8 0
10 Kc8 0
11 Kd8 0
12 h5 0
13 a6 0
14 g6 0
15 Nc6 0
16 Ke8 0
17 g5 0