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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 Bb7 0
3 e6 0
4 a5 0
5 f5 0
6 Ba6 0
7 h5 0
8 Na6 0
9 Kd8 0
10 Rh7 0
11 a6 0
12 Nc6 0
13 d6 0
14 Bg7 0
15 e5 0
16 g5 0
17 Nf6 0
18 d5 0