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

Book: ∞ / 0

# move proof disproof
1 Rb8 0
2 Nf6 0
3 Bg7 0
4 Kh5 0
5 Kg7 0
6 Bb7 0
7 Ra7 0
8 Kg6 0
9 a5 0
10 e6 0
11 d6 0
12 d5 0
13 g4 0