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

Book: ∞ / 0

# move proof disproof
1 Bb7 0
2 a5 0
3 Ne5 0
4 Nb6 0
5 e5 0
6 Ba6 0
7 Nb8 0
8 Rb8 0
9 a6 0
10 e6 0
11 Bg7 0
12 Ndf6 0
13 Rh8 0
14 Nc5 0
15 h5 0
16 Rg7 0
17 Ngf6 0
18 Rf7 0