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

Book: ∞ / 0

# move proof disproof
1 f3 0
2 c5 0
3 f6 0
4 c6 0
5 a6 0
6 Qe8 0
7 a5 0
8 h6 0
9 h5 0
10 Rg8 0
11 f5 0
12 Rb8 0
13 Nf6 0
14 Bh6 0
15 Bb7 0
16 Bg7 0
17 e6 0
18 e5 0
19 Nc5 0
20 Ne5 0
21 Nb8 0
22 Nb6 0
23 Ba6 0