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

Book: ∞ / 0

# move proof disproof
1 d5 0
2 Bh6 0
3 Ra7 0
4 Ra6 0
5 e6 0
6 Bg7 0
7 e5 0
8 Rb8 0
9 Ba6 0
10 d6 0
11 Kg7 0
12 g5 0
13 Bb7 0
14 Ke6 0
15 a4 0
16 Ke8 0
17 Kg8 0
18 Kf6 0