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

Book: ∞ / 0

# move proof disproof
1 Kf7 0
2 c5 0
3 f5 0
4 a5 0
5 e5 0
6 g5 0
7 Nd7 0
8 Nh6 0
9 e6 0
10 Na6 0
11 a6 0
12 c6 0
13 g6 0
14 Nc6 0
15 Kd8 0
16 Kd7 0