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

Book: ∞ / 0

# move proof disproof
1 g5 0
2 Kd8 0
3 Kf7 0
4 a6 0
5 Nf6 0
6 h5 0
7 g6 0
8 h6 0
9 Ba6 0
10 Nh6 0
11 Rb8 0
12 d5 0
13 d6 0
14 e6 0
15 Bb7 0
16 a5 0