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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 Rh7 0
3 a5 0
4 Nc6 0
5 e5 0
6 d5 0
7 Na6 0
8 d6 0
9 Nf6 0
10 a6 0
11 h5 0
12 e6 0