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

Book: ∞ / 0

# move proof disproof
1 Nd7 0
2 c5 0
3 Be7 0
4 Na6 0
5 Bg7 0
6 c6 0
7 Nc6 0
8 a5 0
9 h5 0
10 d5 0
11 a6 0
12 f5 0