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

Book: ∞ / 0

# move proof disproof
1 Ke6 0
2 Qe8 0
3 c6 0
4 c5 0
5 Ke8 0
6 Bg7 0
7 a5 0
8 e5 0
9 g4 0
10 Bb7 0
11 Nf6 0
12 Rg8 0
13 e6 0
14 Kd6 0
15 Nc6 0
16 Ra7 0
17 f5 0
18 Kc6 0
19 f6 0
20 Bh6 0