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

Book: ∞ / 0

# move proof disproof
1 g5 0
2 a6 0
3 Ba6 0
4 Kd8 0
5 Kf7 0
6 g6 0
7 e6 0
8 h5 0
9 d5 0
10 Nf6 0
11 e5 0
12 d6 0
13 Nh6 0
14 Bb7 0
15 Rb8 0
16 h6 0