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 Bb7 0
4 e5 0
5 Ba6 0
6 e6 0
7 Kf7 0
8 Kd8 0
9 Kf8 0
10 d5 0
11 d6 0
12 a5 0
13 Rb8 0