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

Book: ∞ / 0

# move proof disproof
1 Qh8 0
2 f5 0
3 Qg8 0
4 c6 0
5 Kc6 0
6 Kd6 0
7 Bb7 0
8 a5 0
9 c5 0
10 Ke8 0
11 f6 0
12 Ke6 0
13 Qf8 0
14 Ra7 0
15 Nc6 0
16 Qe8 0
17 e6 0
18 e5 0