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

Book: ∞ / 0

# move proof disproof
1 Ke6 0
2 Bh6 0
3 c4 0
4 e5 0
5 e6 0
6 Rg8 0
7 Rc7 0
8 Kc7 0
9 g4 0
10 Kd6 0
11 Nb4 0
12 Nb8 0
13 Ke8 0
14 Kd8 0
15 Kc8 0
16 Kc6 0
17 Ra8 0
18 Rb7 0
19 Nc7 0
20 Nf6 0
21 Bg7 0