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

Book: ∞ / 0

# move proof disproof
1 h5 0
2 e5 0
3 b5 0
4 Nf6 0
5 Nc6 0
6 b6 0
7 d6 0
8 Nh6 0
9 b3 0
10 d5 0
11 a6 0
12 Na6 0
13 h6 0
14 Kd8 0
15 Kf7 0
16 g6 0
17 g5 0
18 e6 0