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

Book: ∞ / 0

# move proof disproof
1 g5 0
2 e5 0
3 Kf6 0
4 Ke6 0
5 Kg6 0
6 e6 0
7 Ke8 0
8 d5 0
9 d6 0
10 Nh6 0
11 Nf6 0
12 Na6 0
13 a6 0
14 g6 0
15 Nc6 0
16 b6 0
17 b5 0