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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 Nb6 0
3 Ne5 0
4 Nf6 0
5 a6 0
6 c6 0
7 f6 0
8 h6 0
9 Bh6 0
10 Rg8 0
11 h5 0
12 a5 0
13 e6 0
14 Ba6 0
15 Rb8 0
16 g4 0
17 e5 0
18 Bg7 0
19 Nc5 0
20 Nb8 0
21 c5 0
22 Bb7 0
23 Qe8 0