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

Book: ∞ / 0

# move proof disproof
1 Qe8 0
2 h3 0
3 Bg7 0
4 Bh6 0
5 Bb7 0
6 a6 0
7 c6 0
8 Ba6 0
9 Ke8 0
10 Na6 0
11 Ke6 0
12 e6 0
13 Kd6 0
14 Kc6 0
15 e5 0
16 a5 0
17 Ng6 0
18 Nc6 0
19 c5 0
20 Nf7 0