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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Nh6 0
3 Rh7 0
4 Rh6 0
5 Na6 0
6 Nd7 0
7 e6 0
8 Bg7 0
9 Nf6 0
10 e5 0
11 a5 0
12 Bh6 0