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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 Rg6 0
3 Bh6 0
4 Bg7 0
5 Qe8 0
6 Rg7 0
7 Rh8 0
8 g4 0
9 f5 0
10 c5 0
11 Nf6 0
12 Ke6 0
13 Na6 0
14 Nc6 0
15 Kd6 0
16 Ba6 0
17 Kc6 0
18 e5 0
19 e6 0
20 Bb7 0
21 Ke8 0
22 a5 0
23 c6 0
24 a6 0