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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 Kd7 0
3 f5 0
4 c6 0
5 Nf6 0
6 Nc6 0
7 Kd8 0
8 f6 0
9 a6 0
10 Bg7 0
11 Bh6 0
12 Na6 0
13 Nd7 0
14 Nh6 0
15 e6 0
16 e5 0
17 a5 0