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

Book: ∞ / 0

# move proof disproof
1 Rc7 0
2 f5 0
3 Nb4 0
4 Nf6 0
5 f6 0
6 Rg8 0
7 g4 0
8 Nb8 0
9 Bg7 0
10 Kd6 0
11 Ke6 0
12 Ke8 0
13 Kd8 0
14 Kc8 0
15 Kc6 0
16 Ra8 0
17 Rb7 0
18 e6 0
19 Nc7 0
20 e5 0
21 Kc7 0
22 Bh6 0
23 c4 0