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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 a5 0
3 f5 0
4 c5 0
5 g4 0
6 e5 0
7 Bh6 0
8 Bg7 0
9 Nc6 0
10 e6 0
11 d6 0
12 d5 0
13 Bb7 0
14 c6 0