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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 h5 0
3 h6 0
4 Nc6 0
5 Ke6 0
6 Ra7 0
7 g5 0
8 Kc7 0
9 Bh6 0
10 Nh6 0
11 Nf6 0
12 Bg7 0
13 Bb7 0
14 Ke8 0
15 Kd8 0
16 Kd6 0
17 Kc6 0
18 e5 0
19 e6 0