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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 Kd5 0
3 Kf6 0
4 c6 0
5 Kd6 0
6 Ke7 0
7 Nf8 0
8 a5 0
9 Nc5 0
10 Bb7 0
11 Nf6 0
12 Kf5 0
13 Nb6 0
14 Rb8 0
15 f5 0
16 Nb8 0
17 e4 0
18 a6 0
19 f6 0
20 Ba6 0