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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 Ra7 0
3 Rh8 0
4 Re8 0
5 Rg8 0
6 Kc7 0
7 Ke8 0
8 Nc6 0
9 Ng5 0
10 Nf8 0
11 Bb7 0
12 e6 0
13 e5 0
14 Rf8 0
15 Kc6 0
16 Kd6 0
17 Ke6 0