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

Book: ∞ / 0

# move proof disproof
1 Kd7 0
2 c6 0
3 Na6 0
4 Nd7 0
5 Nf6 0
6 a6 0
7 Kc8 0
8 Ke8 0
9 e5 0
10 Nh6 0
11 e6 0
12 Nc6 0
13 a5 0
14 g5 0
15 f5 0
16 g6 0
17 f6 0