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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 Bh6 0
3 Ke8 0
4 Kd8 0
5 Kc7 0
6 Bg7 0
7 a5 0
8 Kc6 0
9 Na6 0
10 Kd6 0
11 Nc6 0
12 Rg8 0
13 Ke7 0
14 Ba6 0
15 Bd6 0
16 Be7 0
17 Ke6 0
18 Bb7 0
19 a6 0