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

Book: ∞ / 0

# move proof disproof
1 Nf8 0
2 Nb8 0
3 e5 0
4 Ngf6 0
5 Rb8 0
6 a6 0
7 Ne7 0
8 h6 0
9 h5 0
10 Ndf6 0
11 Nh6 0
12 g4 0
13 Ba6 0
14 a5 0
15 Bb7 0
16 Ne5 0
17 Nb6 0