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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 Kd7 0
3 g6 0
4 Kd8 0
5 f6 0
6 a6 0
7 g5 0
8 e5 0
9 e6 0
10 a5 0
11 Nc6 0
12 Nd7 0
13 Na6 0
14 Nh6 0
15 Nf6 0