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

Book: ∞ / 0

# move proof disproof
1 Kb7 0
2 Kd7 0
3 c6 0
4 a6 0
5 e5 0
6 e6 0
7 Nc6 0
8 g6 0
9 g5 0
10 f5 0
11 Nh6 0
12 Na6 0
13 Nd7 0
14 a5 0
15 Nf6 0
16 f6 0
17 Kd8 0