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

Book: ∞ / 0

# move proof disproof
1 h5 0
2 a6 0
3 Nf6 0
4 e5 0
5 Nd7 0
6 Na6 0
7 e6 0
8 h3 0
9 Rh7 0
10 a5 0
11 Bg7 0