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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Ke6 0
3 Kf6 0
4 e5 0
5 g5 0
6 h5 0
7 e6 0
8 h6 0
9 Rg8 0
10 Ke8 0
11 Kg8 0
12 Kg6 0
13 g6 0
14 Rb8 0
15 d5 0
16 d6 0
17 Ba6 0
18 Bb7 0