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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 Nc6 0
3 Ke6 0
4 Kc6 0
5 g4 0
6 e6 0
7 g6 0
8 Rg8 0
9 Ra7 0
10 Ke8 0
11 Kd8 0
12 Kc7 0
13 Kd6 0
14 a5 0
15 Bb7 0
16 Nf6 0