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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 c6 0
3 Ka6 0
4 a6 0
5 Kc6 0
6 Nc6 0
7 Bg7 0
8 e6 0
9 Kc8 0
10 h5 0
11 e5 0
12 f5 0
13 Na6 0
14 Nd7 0
15 Kb6 0
16 Nf6 0
17 a5 0