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

Book: ∞ / 0

# move proof disproof
1 b5 0
2 Nc6 0
3 b6 0
4 e6 0
5 d5 0
6 g5 0
7 h6 0
8 f5 0
9 d6 0
10 g6 0
11 Kf7 0
12 Kd8 0
13 Nh6 0
14 a6 0
15 h5 0
16 Na6 0
17 e5 0