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

Book: ∞ / 0

# move proof disproof
1 Kd8 0
2 Kc8 0
3 Kc7 0
4 Rd8 0
5 Ke6 0
6 c5 0
7 Nh6 0
8 Ra8 0
9 Bg7 0
10 Rc8 0
11 Bh6 0
12 Rb8 0
13 a6 0
14 f6 0
15 f5 0
16 e6 0
17 a5 0
18 Kd6 0
19 Nf6 0