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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 Ra6 0
3 Ra7 0
4 c6 0
5 a4 0
6 Nh6 0
7 Nc6 0
8 Nf6 0
9 h6 0
10 h5 0
11 Bh6 0
12 Bg7 0
13 e5 0
14 e6 0
15 Nd7 0
16 Na6 0