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

Book: ∞ / 0

# move proof disproof
1 Qf8 0
2 Qe8 0
3 Ra7 0
4 f6 0
5 Nc6 0
6 e5 0
7 Ke6 0
8 Nf6 0
9 f5 0
10 c6 0
11 c5 0
12 Nh6 0
13 a5 0
14 e6 0
15 Bb7 0
16 Kc6 0
17 Kd6 0
18 Ke8 0