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

Book: ∞ / 0

# move proof disproof
1 Qf8 0
2 Qe7 0
3 f6 0
4 f5 0
5 Kd6 0
6 c5 0
7 Qh8 0
8 Bb7 0
9 Na6 0
10 a5 0
11 Ke7 0
12 Kd8 0
13 Qg8 0
14 c6 0
15 Qd8 0
16 a6 0
17 e5 0
18 Nc6 0
19 Ba6 0
20 Kc6 0