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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 Nc5 0
3 Bg7 0
4 Bh6 0
5 e5 0
6 f5 0
7 e6 0
8 Rg8 0
9 g4 0
10 Rc7 0
11 Nb8 0
12 Nc7 0
13 Ke8 0
14 Kd8 0
15 Kc8 0
16 Kc7 0
17 Ke6 0
18 Kd6 0
19 Ra8 0
20 f6 0
21 Nb4 0
22 Nf6 0
23 Rb7 0