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

Book: ∞ / 0

# move proof disproof
1 g5 0
2 g6 0
3 Ba6 0
4 Nf6 0
5 d6 0
6 Bb7 0
7 a4 0
8 Ne7 0
9 d5 0
10 Nh6 0
11 h6 0