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

Book: ∞ / 0

# move proof disproof
1 g5 0
2 a5 0
3 Ke6 0
4 Nc6 0
5 Nh6 0
6 Nf6 0
7 e5 0
8 Bb7 0
9 Ke8 0
10 Kd8 0
11 Ra7 0
12 Bh6 0
13 Kc6 0
14 Kc7 0
15 e6 0
16 Bg7 0
17 Kd6 0