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

Book: ∞ / 0

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