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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 a5 0
3 d6 0
4 h5 0
5 Ke6 0
6 Kf6 0
7 Ke8 0
8 g5 0
9 Kg6 0
10 Rb8 0
11 Nh6 0
12 Ra7 0
13 g6 0
14 e5 0
15 Bb7 0
16 h6 0
17 e6 0
18 Nf6 0