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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 Nf7 0
3 Ne6 0
4 Ne5 0
5 a6 0
6 Nb8 0
7 h6 0
8 h5 0
9 Rg8 0
10 Bb7 0
11 Bh6 0
12 Be7 0
13 Nc6 0
14 Nb7 0
15 Rb8 0
16 Bg7 0
17 Nb6 0
18 c4 0
19 Ba6 0
20 Bd6 0