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

Book: ∞ / 0

# move proof disproof
1 Rb8 0
2 Ra7 0
3 Ra6 0
4 Kg7 0
5 e6 0
6 d6 0
7 h5 0
8 e5 0
9 Kg6 0
10 Ke6 0
11 Kf6 0
12 Nh6 0
13 Nf6 0
14 d5 0
15 h6 0
16 Ke8 0
17 Ba6 0
18 Bh6 0
19 Bb7 0
20 Bg7 0