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

Book: ∞ / 0

# move proof disproof
1 Re8 0
2 Rd8 0
3 Rc8 0
4 Kc6 0
5 Kd6 0
6 Ke6 0
7 Ke8 0
8 Kd8 0
9 Kc8 0
10 c5 0
11 Bg7 0
12 a6 0
13 f5 0
14 f6 0
15 e6 0
16 c6 0
17 Rb8 0
18 Nf6 0
19 Bh6 0
20 a5 0
21 Nh6 0