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

Book: ∞ / 0

# move proof disproof
1 h5 0
2 Nf6 0
3 e5 0
4 d5 0
5 Ke6 0
6 Qd8 0
7 e6 0
8 a5 0
9 Kg7 0
10 h6 0
11 g5 0
12 Nh6 0
13 Bg7 0
14 Ra7 0
15 Bh6 0
16 Bb7 0
17 Kf6 0
18 Rb8 0
19 d6 0