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

Book: ∞ / 0

# move proof disproof
1 Qf8 0
2 c4 0
3 Qb6 0
4 Qa5 0
5 a5 0
6 Qh8 0
7 Nc6 0
8 Na6 0
9 e5 0
10 e6 0
11 a6 0
12 Ke6 0
13 Qc7 0
14 Qe8 0
15 Qg8 0
16 Ke8 0
17 Kc7 0
18 Kc6 0
19 Ba6 0
20 Kd6 0
21 Bb7 0