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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 f6 0
3 Bg7 0
4 Ng8 0
5 Rb8 0
6 Ng4 0
7 Nf5 0
8 e6 0
9 c5 0
10 a5 0
11 Kb6 0
12 a6 0
13 Ra8 0
14 Rc8 0
15 Rd8 0
16 Kb7 0
17 Kb8 0
18 Kc8 0
19 Kd8 0
20 Kd7 0
21 Kd6 0