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

Book: ∞ / 0

# move proof disproof
1 Qf8 0
2 Qh8 0
3 c5 0
4 a5 0
5 Nc6 0
6 Qe8 0
7 Kd6 0
8 Qg8 0
9 Ke6 0
10 c6 0
11 Ke8 0
12 Kc6 0
13 Bb7 0
14 Ra7 0
15 e6 0
16 e5 0