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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 Bb7 0
3 e5 0
4 c6 0
5 f6 0
6 Ke7 0
7 Kd8 0
8 Kf8 0
9 Nf6 0
10 Nf8 0
11 Ne5 0
12 Nb6 0
13 Nc5 0
14 Nc6 0
15 f5 0
16 Ba6 0
17 Na6 0