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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 Nb8 0
3 Nc7 0
4 Nb4 0
5 f6 0
6 Kd8 0
7 Rb8 0
8 b6 0
9 Nc5 0
10 Bg7 0
11 d6 0
12 e6 0
13 e5 0
14 Bh6 0
15 b4 0