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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 Rg8 0
3 Na6 0
4 b6 0
5 b5 0
6 c6 0
7 f5 0
8 e6 0
9 c5 0
10 e5 0
11 g6 0
12 Nf6 0
13 Ng5 0
14 g5 0
15 Nc6 0
16 d6 0
17 d5 0