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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 Rh7 0
3 g6 0
4 c5 0
5 g5 0
6 Bb7 0
7 Ke6 0
8 Nf6 0
9 e5 0
10 a5 0
11 Kc6 0
12 Ke8 0
13 Na6 0
14 Nc6 0
15 Qe8 0
16 a6 0
17 f5 0
18 h5 0
19 Ba6 0
20 c6 0
21 e6 0
22 Kd6 0