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

Book: ∞ / 0

# move proof disproof
1 Qe7 0
2 Qe8 0
3 Qh8 0
4 Qf6 0
5 Qg8 0
6 a5 0
7 g4 0
8 c6 0
9 Ke7 0
10 a6 0
11 Ke6 0
12 Ba6 0
13 Bb7 0
14 Nc6 0
15 Na6 0
16 Qf8 0
17 Kd6 0
18 c5 0
19 Ke8 0
20 Kc6 0