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

Book: ∞ / 0

# move proof disproof
1 Rf8 0
2 Kf8 0
3 Kf7 0
4 Kd8 0
5 Bf8 0
6 Nd7 0
7 Kd7 0
8 Bh8 0
9 e6 0
10 Bh6 0
11 Na6 0
12 Rh8 0
13 Nc6 0
14 e5 0
15 f5 0