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

Book: ∞ / 0

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