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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 Nf6 0
3 Ba6 0
4 Bf6 0
5 Na6 0
6 c6 0
7 a6 0
8 a5 0
9 Bf8 0
10 Ne7 0
11 h6 0
12 Nh6 0
13 Kc6 0
14 Kd6 0
15 Ke7 0
16 Kd8 0
17 Ke8 0
18 Ke6 0
19 c5 0
20 f5 0
21 Bh6 0
22 e4 0
23 Bb7 0
24 h5 0
25 Nc6 0