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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 Ra7 0
3 h6 0
4 Nf6 0
5 Nh6 0
6 Bh6 0
7 Kg7 0
8 Kg6 0
9 Ke8 0
10 Bg7 0
11 e6 0
12 h5 0
13 Kf6 0
14 Bb7 0
15 d5 0
16 d6 0
17 Ke6 0
18 Rb8 0