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

Book: ∞ / 0

# move proof disproof
1 h5 0
2 Nh6 0
3 Bb7 0
4 e5 0
5 Bd8 0
6 a6 0
7 a5 0
8 Bf6 0
9 Bd7 0
10 Ba6 0
11 g5 0
12 Nf6 0
13 Bd6 0
14 Bf8 0
15 h6 0
16 Bh4 0
17 g6 0
18 Bg5 0