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

Book: ∞ / 0

# move proof disproof
1 e6 0
2 Kc6 0
3 Bg7 0
4 Bh6 0
5 Rg8 0
6 Kc7 0
7 Kd8 0
8 Ke8 0
9 Nf6 0
10 f5 0
11 e5 0
12 Na6 0
13 f6 0
14 Ra7 0
15 Ra6 0
16 Ke6 0
17 g4 0
18 Bb7 0
19 Nc6 0
20 Ba6 0
21 Kd6 0