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

Book: ∞ / 0

# move proof disproof
1 g6 0
2 Ne7 0
3 Rh7 0
4 Ba6 0
5 a6 0
6 a5 0
7 Bb7 0
8 g5 0
9 d6 0
10 Nf6 0
11 Rb8 0
12 d5 0