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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 h6 0
3 Kh6 0
4 a6 0
5 Nf6 0
6 Nh6 0
7 Kf6 0
8 Kg6 0
9 Kf7 0
10 d5 0
11 e6 0
12 d6 0
13 Bb7 0
14 Ba6 0
15 e5 0
16 h5 0
17 Rb8 0