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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 c5 0
3 Bg7 0
4 Bf5 0
5 e6 0
6 Bd7 0
7 Ba6 0
8 Be6 0
9 a5 0
10 Rg8 0
11 Nf5 0
12 Nf7 0
13 Ng8 0
14 e5 0
15 Rb8 0
16 Bb7 0