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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Nd7 0
3 Na6 0
4 Rg6 0
5 a5 0
6 Rh7 0
7 Rh8 0
8 e6 0
9 Re6 0
10 e5 0
11 Rd6 0
12 Rf6 0
13 Bg7 0
14 Nf6 0