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

Book: ∞ / 0

# move proof disproof
1 Qe8 0
2 Ke8 0
3 Kc6 0
4 e6 0
5 e5 0
6 Ba6 0
7 c5 0
8 Bb7 0
9 Kd6 0
10 a4 0
11 Na6 0
12 Nf6 0
13 Bg7 0
14 Ra7 0
15 Ra6 0
16 c6 0
17 Bh6 0
18 g4 0
19 Ke6 0
20 Nc6 0
21 Nh6 0