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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 Ba6 0
3 g6 0
4 Kg6 0
5 g5 0
6 a6 0
7 Bb7 0
8 Kg5 0
9 Rb8 0
10 Kh5 0
11 e6 0
12 d6 0
13 d5 0