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

Book: ∞ / 0

# move proof disproof
1 Ra7 0
2 Rb7 0
3 Rc8 0
4 Rc6 0
5 Bg7 0
6 Kc8 0
7 Kd8 0
8 Ke8 0
9 f5 0
10 f6 0
11 e6 0
12 Nf6 0
13 Nb8 0
14 Kd6 0
15 Kc6 0
16 Ke6 0
17 g4 0
18 Bh6 0
19 Rg8 0
20 Nb4 0
21 c4 0