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

Book: ∞ / 0

# move proof disproof
1 c6 0
2 h5 0
3 f6 0
4 Nc6 0
5 g6 0
6 Nh6 0
7 Kd8 0
8 c5 0
9 g5 0
10 Ne7 0
11 Kf8 0
12 Ke7 0
13 e4 0
14 Nf6 0
15 f5 0
16 Bb7 0
17 a5 0
18 h6 0
19 d6 0
20 d5 0