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 Ra8 0
4 Ke6 0
5 c5 0
6 Ng8 0
7 Kc7 0
8 Bg7 0
9 e6 0
10 Rb8 0
11 Ng4 0
12 a6 0
13 f6 0
14 f5 0
15 Nf5 0
16 a5 0
17 Kd6 0
18 Rd8 0
19 Rc8 0