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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 Bh6 0
3 g4 0
4 Kc7 0
5 Ke8 0
6 Kd8 0
7 Kc8 0
8 Re8 0
9 Rd8 0
10 a5 0
11 e6 0
12 Rc8 0
13 a6 0
14 Rg8 0
15 f6 0
16 Nf6 0
17 Rb8 0
18 Bg7 0
19 c5 0
20 e5 0
21 Kd6 0
22 Ke6 0