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

Book: ∞ / 0

# move proof disproof
1 Rb8 0
2 Bb7 0
3 a6 0
4 h5 0
5 e5 0
6 Nf6 0
7 Kg7 0
8 Ke8 0
9 Kf6 0
10 Ke6 0
11 Kg6 0
12 Bh6 0
13 h6 0
14 Ba6 0
15 d6 0
16 e6 0
17 Nh6 0
18 Bg7 0
19 d5 0