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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 d5 0
3 Bg7 0
4 Kf7 0
5 Rh7 0
6 Bb7 0
7 a5 0
8 c6 0
9 c5 0
10 e6 0
11 Nc6 0
12 e5 0
13 d6 0